Features: High Grade Chrome Vanadium Steel Socket, and Longer Lifetime Chrome Plated for Finish to Anti-Corrosion High Hardness and Torque, fully meet standard 3/8" Socket Wrench, High Torque for using by Drivers and Socket Wrenches Specification: Name:3/8" Hex Socket Material: Chromium-vanadium Steel Deep Sockets: 8mm,9mm,10mm,11mm,12mm,13mm,14mm,15mm,16mm,17mm,18mm,19mm,20mm,21mm,22mm,24mm Color:silver Length:63mm Quantity:1pc Package contents: 1pc * Deep Socket Notes: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data. 【High Grade Chrome Vanadium Steel Socket】- Made of high grade chrome vanadium steel, this socket is for durable and has a longer lifetime. 【Chrome Plated Finish】- The socket is finished with chrome plating, which provides excellent anti-corrosion properties. 【High Hardness and Torque】- With high hardness and torque, this socket fully meets the standard requirements. 【3/8" Socket Wrench, High Torque】- Designed as a 3/8" socket wrench, this tool offers high torque for various applications. 【For impact Drivers and Socket Wrenches】- This deep socket adapter is for use with for impact drivers and socket wrenches, providing efficient and reliable performance.