Deep Impact SocketProduct Details1.【Design】Radiused corners prevent fastener wear and increase the torque on fasteners by placing force on fastener's flat sides, rather than fastener corners.2.【CR-MO Steel】Forged with chrome-molybdenum steel provides excellent durability and strength with every impact movement; black phosphate finish for extra protection against rust and corrosion.3.【Size】3/4" square drive, 19mm 12-point socket, 78mm (3") total length.4.【Pin Hole】Individual pinhole base design adds extra security by placing in a locking pin for stability when exerting strong torque motion,.5.【Widely Use】For disassembly and tightening of double hex (12-sided), hex and square head bolts and nuts, especially suitable for requiring large torque and narrow space.
eBay