JEUCLEL 21mm Hex Impact Bit Socket, H21 1/2-Inch Impact Drive Allen Socket, Cr-Mo Steel Lengthen Hex Screwdriver Socket Adapter for Electric Ratchet Wrenches Fastening Screws

【Ideal Hex Socket】H21 (21mm) sockets work with tools such as ratchets to quickly and easily tighten hex drive fasteners. 【Specification】1/2-Inch Impact Drive Socket, H21 (21mm) hex bit, 3.07-inch (78mm) total length. The lengthened design makes it suitable for more work scenarios. 【Bevel and Chamfer Design】Hex sockets are precision machined to ensure precise dimensions. The beveled and chamfered design facilitates easy and smooth insertion and effectively prevents wear of drill bits and fasteners. 【Pinhole Design】The H21 sleeve is designed with a separate pinhole base, which allows a locking pin to be placed for extra security to maintain stability when strong torque movements are applied. 【High Quality Cr-Mo Steel】The chrome molybdenum steel material guarantees excellent durability and strength and a long service life. Black phosphate coating greatly improves rust and corrosion resistance., Weight: 0.2866009406 Pounds, Manufacturer: JEUCLEL