
Channellock Tongue & Groove Pliers 2 in
Score: 82/100
Channellock 927
Score: 80/100Rankings

The Channellock GL12 is a 12.5-inch GRIPLOCK Tongue and Groove Plier designed for electricians and plumbers to grip irregular shapes and 1/2-inch electrical fittings. It features a laser-hardened jaw, PERMALOCK fastener, and an ergonomic offset head for enhanced leverage and durability. It is ideal for tightening conduit locknuts, gripping round tubing, and maintenance on fittings where standard pliers slip.

The Channellock 927 is an 8-inch convertible retaining ring plier designed for one-handed operation, allowing users to switch between internal and external applications via a simple slider switch. It features a heavy-duty coiled return spring to reduce fatigue and includes a kit of five interchangeable tips for precision work in tight spaces. It is best suited for mechanics and DIYers handling retaining or snap rings in automotive, machinery, or appliance repair.
| Attribute | ![]() | ![]() |
|---|---|---|
305 mmbest | 203 mm | |
38.1 mm | 50.8 mmbest | |
| ↓ lower better | 381 g | 227 gbest |
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| Attribute | ![]() | ![]() |
|---|---|---|
Jaw & Cutting Performance(3) | ||
Jaw Type | Offset | Interchangeable |
Jaw Capacity (mm) | 38.1 mm | 2.0 mm |
Finish | Polished | Standard |
Core Specifications(4) | ||
Tool Type | Tongue & Groove | Snap Ring |
Material | High Carbon Steel | Alloy Steel |
Overall Length (mm) | 305 mm | 203 mm |
Weight (g) | 381 g | 227 g |
Adjustability & Mechanisms(1) | ||
Locking Mechanism | Safe-T-Stop | Slider |

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

Manufacturer and retailer specs emphasize the GL12's ergonomic offset head for more leverage and versatile jaw for many shapes, calling it built to last with PERMALOCK eliminating nut/bolt issues. One expert notes it is one of their favorite tools for perfectly sizing 1/2-inch electrical fittings and lockrings.
Common praise includes a strong, reliable grip on fittings and lockrings that lasts years without slipping, along with comfort for extended use. Recurring complaints note limited direct user feedback in results, with some users noting the weight feels bulky for precision tasks.




No direct quotes or summaries from professional reviewers or editors are available in the provided data. Manufacturer and retailer descriptions emphasize quick conversion, durability, USA-made quality, and fatigue reduction as strengths.
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