Features Durable Chrome Vanadium Steel: Made from heavy-duty chrome vanadium steel, these socket adapters ensure long service life and durability, providing reliable performance for your projects. Corrosion-Resistant Finish: Each adapter is finished with electroplating and blackening, ensuring corrosion resistance to withstand tough working conditions and extend the lifespan of the adapters. Secure Socket Retention: The adapter body is designed with a ball detent and a small hole to keep your sockets still and secure, providing a reliable connection for your sockets during use. Versatile Set of Adapters: This set includes four socket adapters of different sizes, allowing for compatibility with various sockets and providing versatility for different applications. Convenient and Compact Storage: These small-sized adapters are easy to store, making them a perfect addition to your toolbox for convenient and organized storage of your socket driver tools. Description: 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). Features: Socket adapters are made from heavy duty chrome vanadium steel for durability and long service life. The surface of each adapter is finished by electroplating and blackening, which ensures corrosion resistance. Adapter body is designed with a ball detent and a small hole to keep your sockets still and secure. There are total four socket adapters of different sizes in this set and you can use for various sockets. These adapters are of small size and easy to storage; if you get a toolbox, this set should be in it. Specification: Material: chrome vanadium steel Surface Finishing: Electroplating, blackening Hardness: 45±2(HRC) Color: black Size: 1/2"(Male)--3/8"(Female) 3/8"(Male)--1/4"(Female) 3/8"(Male)--1/2"(Female) 1/4"(Male)--3/8"(Female) Package Includes: 4 x Socket Adapters Note: 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. Package List