Description: Premium materialThe bit adapter hexagon shank made of premium steel coated,which make the impact driver bits strong and offers active protection, wear resistant and durable, and has a long service life. Secure GripThe spring loaded ball bearing on the top of the impact driver socket adapter and reducer prevent dropped sockets, which can ensure your work safety. Fast, fastening, greatly improve work efficiency. Wide ApplicationFor all drills, cordless screwdrivers and hand screwdrivers, etc. Ideal for quick tool changes in electric screwdrivers. Hexagon handle can be easily inserted into an electric screwdriver, which is easy to use and quick to switch. Practical SecurePremium quality industrial grade magnets allow for secure retention of fasteners. It is small and portable, improve your work efficiency, the connecting drill bit can be pulled out. Convenience UseThe quick change hex shank securely and quickly inserts into any impact for immediate use. It can be installed and working in a few seconds, without additional installation tools. Specification: Material: steel Color: silver Size(approx.): (top x height x bottom)1.5 x 6 x 1cm/0.59 x 2.36 x 0.39inch, hole diameter 0.635cm/0.25inch, handle length 4cm/1.57inch Package Included: 2 Pcs x Bit Adapter Hexagon Shanks Note: 1.Due to the light and screen difference, the item& 039;s color may be slightly different from the pictures. 2.Please allow 1-2 cm differences due to manual measurement.