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. 1Socket adapters are made from heavy duty chrome vanadium steel for durability and long service life 2The surface of each adapter is finished by electroplating and blackening, which ensures corrosion resistance 3Adapter body is designed with a ball detent and a small hole to keep your sockets still and secure 4There are total four socket adapters of different sizes in this set and you can use for various sockets 5These adapters are of small size and easy to storage; if you get a toolbox, this set should be in it