The contact surface between the claw and the nut is large, the clamping force is strong, reliable and not easy to slip Suitable for plumbing repairs, mechanical repairs, automobile repairs , pipe nut repairs in tight spaces Wide, lightweight chin with large opening for maximum versatility Precision worm, more flexible, high efficiency, design of circular hanging hole, easy to carry Good access to screws for easy adjustment, non-protruding movable jaws at maximum capacity