
Knipex Cobra 10-inch Red
Score: 92/100
Craftsman Groove Joint Plier 10-in
Score: 80/100Rankings

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 Craftsman CMHT81720 is a 10-inch groove joint plier constructed from drop forged steel, designed for strength and versatility in gripping, twisting, and cutting tasks. It features precision machined jaws and multi-zone bi-material grips to ensure comfort and control during use. This tool is positioned as a reliable, value-driven option suitable for both DIY homeowners and general contractors.
| Attribute | ![]() | ![]() |
|---|---|---|
61 HRCbest | — | |
250 mm | 254 mmbest | |
50 mm | 57 mmbest | |
| ↓ lower better | 335 gbest | 435 g |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Jaw & Cutting Performance(3) | ||
Jaw Type | Serrated | Groove Joint |
Jaw Capacity (mm) | 50 mm | 57 mm |
Finish | Polished/Atramentized | Chrome |
Handle & Ergonomics(1) | ||
Grip Type | Self-Locking | Multi-zone |
Core Specifications(5) | ||
Tool Type | Water Pump Pliers | Groove Joint Pliers |
Material | Chrome Vanadium Steel | Drop forged steel |
Overall Length (mm) | 250 mm | 254 mm |
Weight (g) | 335 g | 435 g |
Warranty | Lifetime | Full Lifetime Warranty |

Products in the top-left offer the best value (high score, low price).

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.

“unbeatable Craftsman warranty and great price compared to other top brands”



Retailer descriptions highlight the tool's sturdy construction and reliable hinge pin, positioning it as a value-driven option backed by the Craftsman warranty rather than a high-end specialized tool.
Direct user reviews are sparse, but available feedback praises the unbeatable warranty and competitive pricing. Broader implications suggest satisfaction with the grip comfort and build strength.