Compatible with pneumatic, air, electric and cordless impact wrenches. It easily loosens seized/stubborn fasteners without stripping or damaging hardware. Socket Size: 3.5 in--17mm, 19mm, 21mm, 22mm, 24mm, 27mm, 30mm, 32mm, 33mm, 34mm, 36mm, 38mm, 41mm, 46mm, 50mm, 52mm, 55mm, 60mm, 65mm, 70mm, & 75mm, and 3.15 in--75mm; 17mm, 19mm, 21mm, and 22mm.
