Apex Tool 86075 1/2IN DR BOLT BITER 21 MM

1/2" Drive Bolt Biter™ Impact Deep Extraction Socket 21mm [13/16"]. Bi-directional design for removing or tightening damaged fasteners. Tapered entry enables socket to easily seat on a damaged fastener. Dual sized sockets designed to work with both SAE and metric fasteners. Square drive with hex base for use with impact gun, ratchet, wrench, or pliers. Chrome molybdenum alloy steel (Cr-Mo) for exceptional strength and long lasting durability. High-visibility laser etched markings provide quick size identification. Black oxide finish to resist corrosion. Up to 10x longer impact life vs. other impact extraction sockets. Up to 5x greater torque output vs. other impact extraction sockets. Minus-size sockets fit a wider range of damaged fasteners.