Check the listing for details. 2Pcs, 6 Points Deep Socket 3/8" Drive 16mm Nickel Plating Flip Sleeve 4.7" Long. Condition: New. Listed at 29.72 USD. Our extra-long sockets are made of chrome-vanadium steel, which is hardened at high temperatures for high hardness, toughness, and wear resistance. They can withstand the high torque generated by high-pressure impact tools without wearing out. Polished nickel-plated for waterproof corrosion and rust resistance, they are suitable for various working environments.The recessed hexagonal design makes it easier to drive nuts and screws, providing a secure grip and preventing deformation without slipping during high-torque applications. The 120mm extended design ensures the extra-deep extension of the sleeve, ensuring a tight connection between the nut and the engine bolt even in narrow spaces.Hexagonal deep sockets can be used with a variety of commercially available power wrenches, ratchets, and benders.