This Expert by Facom 3/4\" Sliding T-Bar accessory makes tightening nuts and bolts easier, taking less effort to apply than a traditional torque wrench. Bar can be used with one hand, or two, depending on the job and is a real time and effort saving tool. It is made of Chrome vanadium steel for strength and durability, so is certainly up to the job. It comes fitted with a safety lock and with sockets and accessories. In a stylish matt chrome finish. This socket is for manual use only.