Gearwrench 16 Pc. Bolt Biter Nut Extractor & Driver Set

86171 GEARWRENCH 16 Pc. Bolt Biter Nut Extractor & Driver Set The GEARWRENCH Bolt Biter nut drivers are designed with innovative features to grip rounded out, frozen, and damaged fasteners. The revolutionary Bolt Biter gripping design is bi-directional, seats quickly and safely on fasteners, and removes easily from fasteners after use. Bolt Biter nut drivers offer an impact ready option that delivers extreme durability. Bolt Biter technology redefines extraction by gripping rounded fasteners rather than cutting into them, which means these nut drivers last 50x longer than competition. Bi-directional design for removing or tightening damaged fastenersTapered entry easily seats on a damaged fastenerDual sized sockets designed to work with both SAE and metric fastenersTorsion zone offers up to 50x longer life in high torque impact applicationsChrome molybdenum alloy steel (Cr-Mo) for exceptional strength and long lasting durabilityHigh-visibility laser etched markings provide quick size identificationBlack oxide finish to resist corrosionMinus-size sockets fit a wider range of damaged fastenersIncluded pivoting GEARCASE insert rails for storage and organization