Auniwaig 1/2-Inch Drive x 21 mm Deep Impact Socket, 6-Point Design, Metric, Cr-V - CU3200I2212HF-FBA

• SIZE- 1/2" square drive, 21mm 6-point socket, 78mm /3.07inch total length.With size stamped clearly on it, you can quickly identify and get the correct size. CR-V Steel - Made of heat-treated chrome vanadium steel to improve strength and durability, with polished and electrophoresis finish to prevent rust and corrosion. DEEP BODY - For disassembly and tightening of hexagon head bolts and nuts, especially suitable for requiring large torque and narrow space. RADIUS CORNER DESIGN - Reduces wear and increases torque on fasteners by placing force on fastener walls rather than fastener corners. PIN HOLE - Individual pinhole base design adds extra security by placing in a locking pin for stability when exerting strong torque motion.