Size - 3/4" Square Drive, 33mm 12 Point Socket, 61mm (2.4") Total Length.||Material - Made with chromium-vanadium steel forging, high strength and good wear resistance, durable to use.||Feature - Radius corner design, causes the socket to grasp the sturdy wall of the fastener instead of the corners, thereby reducing the wear of the fastener.||Application - Widely used in car maintenance, electric maintenance, pipeline maintenance, mechanical maintenance, fitter assembly, home emergency maintenance, etc.||Note - This socket is a hand tool and cannot be used with power tools.