(KDT-86187) 13- mm [1/2"] Bolt Biter Nut Extractor & Driver

• Bi-directional design for removing or tightening damaged fasteners • Tapered entry easily seats on a damaged fastener • Dual sized sockets designed to work with both SAE and metric fasteners • Torsion zone offers up to 50x longer life in high torque impact applications • 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 • Minus-size sockets fit a wider range of damaged fasteners