Name: Channellock 420® - 9.5-inch Straight Jaw Tongue &amp; Groove Pliers
Brand: Channellock
SKU: 420
Availability: InStock

Channellock 420® – 9.5-inch Straight Jaw Tongue & Groove Pliers

1 in stock

Original straight jaw design provides versatile grip in both push and pull directions for radiator hoses and fuel line connections
PERMALOCK® fastener eliminates nut and bolt failure maintaining unwavering joint strength through thousands of adjustments under maximum torque
Laser-hardened 90-degree teeth grip 2.5X stronger than smooth jaw pliers on oil-covered fasteners and corroded suspension components
Undercut tongue and groove channels prevent slipping during high-force applications like oxygen sensor removal and exhaust clamp tightening
Forged USA high-carbon steel construction specially coated for rust prevention against motor oil, brake fluid, and road salt exposure

Jaw Position	Typical Automotive Applications	Why This Size Matters
Minimum Opening	Fuel injector clips, vacuum hose connections, small coolant hoses, sensor housings	Precise grip prevents damage to delicate plastic connectors
Mid-Range	Radiator hose assemblies, heater core connections, brake line fittings, PCV valves	Versatile size handles most common under-hood maintenance
Maximum (1.5″)	Oxygen sensor removal, oil filter housing nuts, water pump connections, thermostat housings	Professional torque capacity for stubborn automotive fasteners