Channellock 440
Score: 82/100
Irwin Vise-Grip Diagonal Cutting Pliers
Score: 85/100Rankings
The Irwin VISE-GRIP 6" Diagonal Cutting Pliers are professional-grade tools constructed from nickel chromium steel with induction-hardened cutting edges. They feature ergonomic ProTouch grips designed to reduce hand fatigue and meet ANSI specifications. Best suited for electricians and HVAC technicians performing everyday cutting tasks.
The Channellock 440 is a 12-inch straight jaw tongue-and-groove plier built for heavy-duty gripping tasks with a PERMALOCK fastener. Its significant weight can cause fatigue during prolonged use, and it lacks the quick-adjust features of newer models. It is best suited for professional plumbers and mechanics needing reliable, high-capacity gripping.
| Attribute | | |
|---|---|---|
304.8 mmbest | 152.4 mm | |
57.15 mmbest | 20.6 mm | |
| ↓ lower better | 743.89 g | 22.7 gbest |
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| Attribute | | |
|---|---|---|
Jaw & Cutting Performance(4) | ||
Jaw Type | Straight | Diagonal |
Jaw Capacity (mm) | 57.15 mm | 20.6 mm |
Wire Cutter | false | true |
Finish | Rust-Preventive | Blue |
Handle & Ergonomics(2) | ||
Handle Type | Straight | Ergonomic |
Grip Type | Cushion | ProTouch |
Core Specifications(5) | ||
Tool Type | Tongue and Groove Pliers | Diagonal Cutting Pliers |
Material | High-Carbon Steel | Nickel Chromium Steel |
Overall Length (mm) | 304.8 mm | 152.4 mm |
Weight (g) | 743.89 g | 22.7 g |
Warranty | Limited Lifetime | Lifetime Limited Warranty |
Adjustability & Mechanisms(1) | ||
Joint Type | PermaLock | Standard |
Products in the top-left offer the best value (high score, low price).
Professional reviewers and editors highlight the Channellock 440's reliability for professional plumbing and general maintenance tasks. Experts emphasize the superiority of the PERMALOCK fastener in eliminating joint failure and the laser-hardened teeth for better grip and longevity.
Everyday consumers and users commonly praise the pliers for their strong leverage and long-term durability in plumbing and DIY tasks. Users consistently laud the grip strength over cheaper imports.
“These pliers work really well, good leverage”
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