Features: * brand new and * chrome vanadium steel bushing, and long service life. *High hardness and high torque, fully comply with ISO/ANSI standards. *Adapter for converting the socket into a screwdriver bit. *A variety of different sizes to meet different needs. Specification: *Color:Silver(As picture show) *Material:Chrome vanadium steel *6 Sizes for your selection： /4"*/4": /4 square hole to /4 bit holder 3/8"*10mm: 3/8 square hole to 10mm bit holder 3/8"*8mm: 3/8 square hole to 8mm bit holder /2"*8mm: /2 hole to 8mm bit holder /2"*8mm: /2 square hole to 8mm bit holder /2"*10mm: /2 square hole to 10mm bit holder *Quantity: 1pc Package Contents: *Socket Adapter Note: . 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. 2. Please allow slight manual measurement deviation for the data. 【chrome vanadium steel】Made of high-quality chrome vanadium steel, this socket adapter ensures durability and a long service life. 【High hardness and high torque】With its high hardness and high torque, this socket adapter fully complies with ISO/ANSI standards, providing reliable and efficient performance. 【Versatile adapter】This socket adapter is designed to convert the socket into a screwdriver bit, allowing for greater flexibility in usage. 【Multiple sizes available】With six different sizes to choose from, including 1/4", 3/8", and 1/2", this socket adapter meets various needs and ensures compatibility with different tools. 【Easy to use】Simply select the appropriate size and attach this socket adapter to the socket or bit holder, providing a convenient and user-friendly tool for your DIY and professional projects.