Channellock 440
Score: 82/100
Knipex Cobra 10-inch Red
Score: 92/100Rankings
The Knipex 87 01 250 Cobra is a 10-inch high-tech water pump plier featuring 25 fine adjustment positions via a push-button mechanism for rapid adaptation on workpieces. It utilizes a self-locking jaw design with hardened teeth to provide superior grip on pipes up to 2 inches and nuts up to 46 mm with minimal hand force. Ideal for professional plumbers and mechanics needing versatile gripping in maintenance and automotive repair.
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 | | |
|---|---|---|
— | 61 HRCbest | |
304.8 mmbest | 250 mm | |
57.15 mmbest | 50 mm | |
| ↓ lower better | 743.89 g | 335 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Jaw & Cutting Performance(3) | ||
Jaw Type | Straight | Serrated |
Jaw Capacity (mm) | 57.15 mm | 50 mm |
Finish | Rust-Preventive | Polished/Atramentized |
Handle & Ergonomics(2) | ||
Handle Type | Straight | Non-slip Plastic |
Grip Type | Cushion | Self-Locking |
Core Specifications(5) | ||
Tool Type | Tongue and Groove Pliers | Water Pump Pliers |
Material | High-Carbon Steel | Chrome Vanadium Steel |
Overall Length (mm) | 304.8 mm | 250 mm |
Weight (g) | 743.89 g | 335 g |
Warranty | Limited Lifetime | Lifetime |
Adjustability & Mechanisms(3) | ||
Locking Mechanism | PermaLock | Self-Locking |
Adjustment Mechanism | Manual | Push-Button |
Joint Type | PermaLock | Box-Joint |
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”
Professional reviewers and editors highlight the Knipex 87 01 250 Cobra for its superior grip and efficiency, noting it offers 30% more gripping capacity than previous models.
Users frequently praise the lack of slipping and low hand force required, as well as the comfort during repetitive tasks like pipe turning.
