PLIERS TYPE REFERENCE
Pliers Types Chart
Compare the four pliers families — gripping, cutting, combination and specialty — with the common names, standard each type is tested against, and the trades that reach for them.
INSULATION BASICS
Insulated vs VDE Pliers: What the Difference Is
The two terms get used as if they were the same, and the difference matters at the point of import and retail listing. One is a physical handle coating; the other is a certification against IEC 60900 for live working up to 1000 V AC and 1500 V DC.
THE KEY DISTINCTION
Insulated Is a Description. VDE Is a Certificate.
VDE
IEC 60900
INSULATED
Coating Present
Describes a physical handle coating, usually multi-layer, that provides protection against electric shock.
Multi-layer coating
Shock protection
No independent test required
VDE-TESTED
Coating + Certification
The tool has been tested to IEC 60900 for live working up to 1000 V AC and 1500 V DC, and carries a marking to prove it.
IEC 60900 tested
1000 V AC · 1500 V DC
Marked and certified
Insulated does not mean VDE-tested.
A plier can be insulated without being VDE-tested. The coating is present either way; the difference is whether a testing body has certified the tool against the standard and marked it.
INSULATED
A description
Listed on a spec sheet or packaging. Not independently verified.
VDE-TESTED
A certificate
Certified against IEC 60900 and marked. Customs and retail compliance departments treat these two differently.
5-STEP CHECK
How to Verify an Insulated Tool
Before you buy or list a plier for electrical work, walk through these five checks. Each one filters “insulated” from “VDE-tested.”
01
Check the Handle
Insulated handles are usually multi-layer and distinctly thicker than standard grips. A single thin sleeve is not insulation for live work.
02
Look for the VDE Marking
A VDE-tested tool carries the VDE mark and the IEC 60900 reference, usually stamped or moulded onto the handle itself.
03
Read the Voltage Rating
VDE tools are rated to 1000 V AC and 1500 V DC. A tool without a stated rating is not VDE-tested, even if it looks insulated.
04
Ask for the Test Certificate
A genuine VDE tool comes with documentation traceable to the IEC 60900 test. If the supplier cannot provide it, treat the claim as a description, not a certification.
05
Match the Tool to the Market
Regulated electrical markets and retail compliance departments treat “insulated” and “VDE-tested” differently. Confirm which the destination market requires before you commit the order.
PLIERS REFERENCE
Pliers Types Chart: The Four Families
Each row gives the type, the common names it is sold under, what it does, where it is used, and the standard that defines its dimensions and test values. The OUSHKE column marks which types are in the standard range and which are not.
FAMILIES
Grip · Cut · Combo · Specialty
GRIPPING & CUTTING
ISO 5745 · 5746
CUTTERS
ISO 5748 · 5749
SPECIALTY
ISO 5743 (verify)
01
FAMILY 01
Gripping Pliers
Gripping pliers hold, bend and manipulate. The jaw shape tells you what they were made to hold: long tapered jaws reach in, flat jaws grip sheet and stock, round jaws form wire, and adjustable joints open wide for pipe and large fasteners.
| Type | Common Names | What It Does | Typical Uses | Standard | OUSHKE |
|---|---|---|---|---|---|
| Long-Nose Pliers | Needle-nose, snipe-nose, chain-nose | Long tapered jaws reach into tight spaces | Electronics, electrical, holding small parts, bending wire | ISO 5745 | Yes |
| Flat-Nose Pliers | Duckbill | Flat rectangular jaws grip and bend flat stock | Jewelry, assembly, sheet metal | ISO 5745 | No |
| Round-Nose Pliers | — | Round tapered jaws form loops and eyes in wire | Jewelry, craft | ISO 5745 | No |
| Bent-Nose Pliers | Angle-nose | Needle-nose jaws angled for access around obstacles | Tight-space gripping and bending | ISO 5745 | No |
| Slip-Joint Pliers | — | Adjustable pivot with two jaw positions | General household and maintenance gripping | Slip-joint standard (verify) | No |
| Tongue-and-Groove Pliers | Water pump pliers, groove joint | Multiple jaw positions and long handles | Plumbing, gripping pipes and large fasteners | Slip-joint standard (verify) | No |
| Locking Pliers | Vise-Grip, mole grips | Toggle lock holds the jaw closed without hand pressure | Clamping, welding, removing stuck fasteners | ISO 5743 (verify) | No |
02
FAMILY 02
Cutting Pliers
Cutting pliers cut, and the material class they are rated for is the specification that matters. Match the edge to the material, not just to the shape.
| Type | Common Names | What It Does | Typical Uses | Standard | OUSHKE |
|---|---|---|---|---|---|
| Diagonal Cutters | Side cutters, side cutting pliers | Angled cutting edges snip wire and small parts | Cutting wire, cable, zip ties, small screws | ISO 5749 | Yes |
| End Cutting Nippers | End cutters, nippers | Front cutting edge cuts flush to a surface | Flush cuts, pulling nails and tacks | ISO 5748 | No |
| Cable Cutters | Wire rope cutters | Crush-free cut through multi-strand cable | Copper and aluminum cable, wire rope | Verify | Yes |
WHY THE STANDARD MATTERS
Two Pliers Can Look Alike and Still Be Different Tools
Standards shown are the ISO 5743 family — general technical requirements in ISO 5743, test methods in ISO 5744, with ISO 5745, 5746, 5748 and 5749 covering the core types.
ISO 5745
Family
Gripping
·
Types
Nose pliers
ISO 5746
Family
Lineman’s
·
Type
Heavy grip-cut
ISO 5748 / 5749
Family
Cutting
·
Types
End · Diagonal
03
FAMILY 03 & 04
Combination & Specialty Pliers
Combination pliers put a gripping jaw and a side cutter in one tool. Specialty pliers exist because one job needed a shape nothing else had — circlips, insulation, terminals, clamps.
| Type | Common Names | What It Does | Typical Uses | Standard | OUSHKE |
|---|---|---|---|---|---|
| Combination Pliers | Combination cutters | Gripping jaws plus a side cutter in one tool | General gripping, cutting, bending, stripping | ISO 5745 | Yes |
| Lineman’s Pliers | Engineer’s pliers, side-cutting pliers | Heavy jaws with side-cutting edges | Electrical work, cutting and twisting wire | ISO 5746 | Yes |
| Circlip Pliers | Snap ring pliers, retaining ring pliers | Narrow tips seat into circlip holes; internal and external versions | Installing and removing circlips and snap rings | ISO 5743 (verify) | Yes |
| Wire Strippers | Stripping pliers | Blades cut insulation without nicking the conductor | Stripping wire insulation | ISO 5743 (verify) | Yes |
| Crimping Pliers | Crimpers | Crimp dies press connectors onto cable | Electrical terminals and connectors | ISO 5743 (verify) | No |
| Fencing Pliers | Fence pliers | Combined hammer, staple puller and wire cutter | Fencing installation and repair | ISO 5743 (verify) | No |
| Battery Terminal Pliers | Battery pliers | Square jaws grip terminal bolts without rounding | Battery terminals | ISO 5743 (verify) | No |
| Hose Clamp Pliers | Spring clamp pliers | Jaw recesses hold spring clamps open | Automotive hoses and fuel lines | ISO 5743 (verify) | No |
| Electrical Installation Pliers | 3-in-1 electrician pliers | Combine stripping, crimping and cutting in one jaw | Electrical installation | ISO 5743 (verify) | No |
04
WHICH PLIERS DOES OUSHKE MAKE?
Standard Pliers Program
OUSHKE’s standard pliers program covers four families, mapped to four product pages. Types outside these four are not listed as standard catalog items, which is stated plainly rather than implied.
| Family | Includes | Standard | Range |
|---|---|---|---|
| Combination & Lineman’s | Combination pliers, lineman’s pliers | ISO 5745 · 5746 | Standard |
| Needle-Nose & Long-Nose | Long-nose, needle-nose, snipe-nose | ISO 5745 | Standard |
| Diagonal Cutters | Side cutters, diagonal cutting pliers | ISO 5749 | Standard |
| Specialty Pliers | Circlip, snap ring, wire strippers | ISO 5743 (verify) | Standard |
VERIFY BEFORE YOU CITE
A “verify” standard is not a formality.
Standards shown are the ISO 5743 family — general technical requirements in ISO 5743, test methods in ISO 5744, with ISO 5745, 5746, 5748 and 5749 covering the core types. Slip-joint, locking and most specialty pliers are often referenced under category standards rather than family ISO numbers. Confirm the current edition and the exact assignment for each type before publishing a number.
JOB-FIRST SELECTION
Which Pliers for Which Job?
The job-first view is how a buyer actually thinks about pliers, and it is the view most chart pages skip. The reference below maps the trade to the pliers it reaches for — and the reason the trade reaches for them.
START FROM THE JOB
The Trade Decides the Pliers
Every plier type was designed for a job. Electrical work, automotive repair, plumbing and electronics each settled on a small set of types that answer the same recurring task — and once you know the task, the plier follows.
JOB
Task
Cut, strip, grip, clamp
→
PLIERS
Family
Type matched to the task
Start from the job, not the shelf.
A plier that looks right but answers the wrong job is the most common selection mistake — and it is the one the trade table below prevents.
01
Electrical Work
CUT · STRIP · TERMINATEAn electrician’s kit is built around four types: lineman’s for cutting and twisting wire, diagonal cutters for snipping cable, needle-nose for reaching into panels, and wire strippers for removing insulation at a set depth.
02
Automotive Work
FASTENERS · CLAMPS · SNAP RINGSAutomotive work leans on combination pliers for general holding, slip-joint for fasteners, circlip pliers for snap rings on shafts and bores, and locking pliers as a third hand. Circlip pliers split into internal and external — the tips face the opposite way — and a shop needs both.
03
Plumbing & Maintenance
PIPE · LARGE FASTENERSPlumbing and general maintenance reach for tongue-and-groove pliers (also called water pump pliers) and slip-joint pliers, because the adjustable jaw opens to grip pipe and large fasteners that a fixed jaw cannot.
04
Electronics & Fine Work
PRECISION · FLUSH CUTSElectronics use needle-nose for placement and a flush-cutting diagonal cutter for trimming leads close to a board. The flush profile is the difference — a standard diagonal cutter leaves a small stub, a flush cutter does not.
PRACTICAL RULE
Match the plier to the task, not the shelf.
Two trades may share a plier type, and one trade often uses four at once. Confirm the task, then confirm the standard — the same-looking plier built to a different standard is not the same tool.
FINAL CHECK
Match to Job
SPECIFICATION LAYER
What Makes a Good Plier: The Specification Layer
The difference between a plier that lasts and one that rounds off after a season is three specifications — the edge, the joint and the steel — none of which a consumer guide can name.
SPECIFICATION 01
The Cutting Edge
58–62
HRC
On any plier that cuts, the edge is induction-hardened. The number to ask for is the edge hardness in HRC, typically 58 to 62 HRC at the cutting edge for a chrome-vanadium tool.
58
HRC
60
HRC
62
HRC
64
chip risk
Harder cuts better. Too hard chips.
This is the figure behind every “hardened steel” claim. Harder edges cut better and wear longer; past the optimum the edge chips instead of deforming.
SPECIFICATION 02
The Joint
The joint is the wear point on a high-leverage plier. Two joint types dominate, and they are not interchangeable at the same price point.
BOX JOINT
Machined
vs
LAP JOINT
Stamped
WHY IT MATTERS
A box joint is machined so the two halves interlock and resist side play. A lap joint is stamped and riveted — cheaper, but it loosens sooner. For pliers that get leaned on, lineman’s and tongue-and-groove, the box joint keeps the jaws aligned under load.
SPECIFICATION 03
The Steel Follows the Load
The same jaw geometry in three different materials is three different tools at three different price points. Match the steel to the load the plier is expected to take.
Cr-V
Workhorse
Cr-Mo
Shock Load
Carbon
Light Duty
Price ↑
Higher Spec
MATERIAL SELECTION
Steel Selection Sets the Tool Tier
The steel decision is not a quality claim — it is a positioning decision. Three materials, three price points, three applications.
01
WORKHORSE
Chrome Vanadium (Cr-V)
The default for forged bodies and cutting edges across most professional and prosumer ranges.
General Purpose
02
HIGH LOAD
Chrome Molybdenum (Cr-Mo)
Adds toughness where a plier takes shock — high-leverage cutters, heavy lineman’s work, impact-adjacent applications.
Shock Resistant
03
COST DRIVEN
Carbon Steel
The budget tier for light-duty ranges and entry-price sets, where the plier is not expected to take repeated heavy loads.
Entry Level
SPEC CONSEQUENCE
Edge Hardness and Joint Type Move Together
A hardened cutting edge on a loose lap joint is a mismatch — the edge outlasts the joint, and the tool fails at the pivot instead of the cut. Confirm both spec numbers before you commit a production run.
EDGE
58–62
HRC
+
Box
joint
BODY
Cr-V
forged
+
Cr-Mo
shock
SPEC PAIR
Match Edge to Joint
The two specs move together
VERIFY BEFORE YOU CLAIM
Match the specification to the exact SKU and target market.
Edge hardness, joint type, steel grade and standard conformance are product- and market-specific. Confirm the applicable standard, certificate, test report and SKU before making a compliance or performance claim.
SPEC INPUTS
Edge · Joint · Steel
Frequently Asked Questions (FAQs)
Find answers to common questions about our hand tools, their care, and usage. If you need additional information, our customer support team is ready to assist you.
What are the different types of pliers?
Pliers divide into four families: gripping (needle-nose, flat-nose, slip-joint, tongue-and-groove, locking), cutting (diagonal cutters, end nippers, cable cutters), combination (combination and lineman’s), and specialty (circlip, wire strippers, crimping, fencing and others). Each type is defined by its jaw shape and by the standard it is tested against.
What size wrench do I need for a 10 mm bolt?
There is usually no such thing as a 10 mm bolt, which is the source of the confusion. If you mean an M10 metric fastener, the wrench is 16 mm or 17 mm depending on the head standard. If you mean an SAE bolt with a 10 mm head, measure across the flats and use a 10 mm wrench.
What pliers do electricians use?
Electricians reach for four types: lineman’s pliers for cutting and twisting wire, diagonal cutters for snipping cable, needle-nose pliers for reaching into panels, and wire strippers for removing insulation. For live work, all four are used in VDE-tested, IEC 60900-rated versions.
What is the difference between side cutters and diagonal cutters?
There is no difference. “Side cutters” is the common name and “diagonal cutters” the formal name for the same tool, defined by ISO 5749, with angled cutting edges that meet to snip wire. “Flush cutters” are diagonal cutters with a flush-cutting profile for trimming leads close to a board.
What are lineman pliers used for?
Lineman’s pliers are a heavy combination plier built for electrical work: a strong gripping jaw plus a side-cutting edge sized for wire. They cut, twist, bend and pull wire, and they are the tool an electrician reaches for first on most jobs.
What is the difference between insulated and VDE-tested pliers?
Insulated means the handles have a protective coating. VDE-tested means the tool has been certified to IEC 60900 for live working up to 1000 V AC and 1500 V DC and carries a marking to prove it. A plier can be insulated without being VDE-tested; the certificate is the difference.