Drive Size = 1/2 in, 7/16 in 타입 = Adapter Drive 타입 = Square 870/7 AdaptorTool shank for power tool sockets square head output. 7/16 hexagonal, suitable for power screwdrivers with take-up as per DIN ISO 1173-F 11.2.Adaptor for machine-operated nut spinner sockets 1/2??external square 7/16??hexagon drive (Wera series 7)870/7 Adaptor, 1/2??x 75 mm