18mm IMPACT Driver Socket-6 Point ½'' Ratchet Spanner Bit-Steel Square ToolImpact 6-point hex sockets specifically forged for use on powered impact tools Precision cold-forged, hardened and tempered chrome vanadium steel Clear, laser-etched sizes and industrial phosphate-coated for tough corrosion resistance Thick walls provide strength and durability for repetitive high torques Side wall hole for ball or pin locking to the toolSIZE: L x W x H (mm) 0.043 x 0.025 x 0.098WEIGHT: 0.08t1523