Looking for a way to get to nuts or fasteners in confined and restricted spaces? Then its time to get the STEELMAN 78243 1/2-Inch Drive Impact Universal Joint. This bevel-headed, impact rated joint adapter allows you to easily access narrow or limited workspaces. The tool is made from heat-treated chrome vanadium steel to give you added strength and durability while its black oxide finish resists rust and corrosion. Compatible with any 1/2-inch drive tool, from pneumatic and electric impact wrenches, to hand operated ratchets and torque wrenches, this adapter is designed and engineered to meet or exceed ANSI specifications. Stop scuffling and straining while trying to work in cramped spaces or on fasteners inaccessible by traditional straight extension bars and adapters and maximize your efficiency by adding this STEELMAN PRO universal joint to your toolbox.