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