Drive Size = 1/2 in 타입 = Joint Drive 타입 = Square 전체 길이 = 62 mm Finish = Blackened Material = Alloy Steel ISO 1174. Universal Ball Joints. Heavy duty ball joints for industrial use. High performance alloy steel Black finish Maximum angle 30° ( ; 717-6690 717-6690 ) or 35° ( ; 717-6700 717-6700 ) with through hole Use clamping springs for maximum safety