Description: _x000D_ This is a durable 4 pcs socket adapter and reducer set. Heavy duty chrome vanadium steel construction is designed for use with drivers and wrenches. A black oxide finish makes each piece corrosion resistant and very durable. Spring loaded ball detent keeps your sockets still and secure. There are a range of sizes to accommodate many socket or wrench combination including 1/2"(M)--3/8"(F), 3/8"(M)--1/4"(F), 3/8"(M)--1/2"(F) and 1/4"(M)--3/8"(F). _x000D_ _x000D_ _x000D_ Features: _x000D_ Socket adapters are made from heavy duty chrome vanadium steel for durability and long service life._x000D_ _x000D_ The surface of each adapter is finished by electroplating and blackening, which ensures corrosion resistance. _x000D_ Adapter body is designed with a ball detent and a small hole to keep your sockets still and secure._x000D_ _x000D_ There are total four socket adapters of different sizes in this set and you can use for various sockets. _x000D_ _x000D_ These adapters are of small size and easy to storage; if you get a toolbox, this set should be in it._x000D_ _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: chrome vanadium steel _x000D_ Surface Finishing: Electroplating, blackening _x000D_ Hardness: 452(HRC) _x000D_ Color: black _x000D_ Size: _x000D_ 1/2"(Male)--3/8"(Female)_x000D_ 3/8"(Male)--1/4"(Female)_x000D_ 3/8"(Male)--1/2"(Female)_x000D_ 1/4"(Male)--3/8"(Female) _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 4 x Socket Adapters_x000D_ _x000D_ _x000D_ _x000D_ Note:_x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.