Apex Tool 87911 7PC METRIC BOLT BITER SET

7 Pc. 1/4" & 3/8" Drive Metric Bolt Biter™ Impact Extraction Socket Set. Bi-directional design for removing or tightening damaged fasteners. Tapered entry enables socket to easily seat on a damaged fastener. Includes 5 metric Bolt Biter™ Extraction Sockets and 2 Impact Adapters. 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.