Features: 1.It is perfect for impact drivers or drill bits, allowing you to replace the ratchet with a power tool. 2.Sockets can be securely held with the spring loaded ball bearing on head. 3.The 1/4in hex shank fits all quick-change chucks as well as standard drill chucks. 4.These adapter will make your work more convenient and labor-saving. 5.Made of high quality chrome vanadium alloy steel material, high strength, abrasion resistance and durable. Specification: Condition: 100% Brand New Item Type: Socket Bit Adapter Material: Chrome Vanadium Alloy Steel Color: As Pictures Shown Product Usage: It is used to install on the hex tool sleeve with pneumatic screwdriver, electric screwdriver, air drill, electric drill, manual screwdriver, etc. The original hexagonal size can be converted to square head size, so that It is used for the installation of sleeves, etc. It is a good accessory for conversion. PackageList: 1 x Set of Socket Bit Adapter (8Pcs)