Gator-Grip® fits virtually anything that isn't round: hex nuts and bolts, eyebolts, wing nuts, square nuts, broken nuts, hooks and more. Use Gator-Grip® around the home, on boats, RVs, cars, motorcycles and bikes. Gator-Grip® is fast. Just press it on and turn. It works great with power tools. It's the one tool that everyone can use. The Gator-Grip® socket contains 54 spring-biased hardened alloy steel rods. When placed over a fastener the center rods retract while the outer rods surround the fastener. As the fastener is turned the torque is transmitted through the outer rods to the walls of the socket.Delivers 150 ft. lbs. of torque Fits bolt heads up to 3/4" and eyebolts up to 2" 3/8" square drive 0.095" Rod Diameter Fits 1/4" - 7mm minimum hex size bolts Alloy steel rods hardened beyond grade 8 Solvent resistant Polymer retention plate