Description: <br>The extension holder is designed for 1/4" hex shank bits, can be used for pneumatic screw drivers, electric drills, electric screwdrivers. It is anti-rust. <br> <br> <br>Features: <br>Designed for 1/4" hex shank bits. Good concentricity. <br>Holds bits securely. <br>The surface is phosphatized to prevent rust. <br>High quality connection rod. <br>Suitable for pneumatic screw drivers, electric drills, electric screwdrivers, screwdrivers. <br> <br> <br>Specifications: <br>Materiel: Carbon steel <br>Length: About 60 mm / 2.36" <br>Hexagonal Size: 1/4" <br>Color: Grey <br> <br>Quantity: 10 pcs per bag <br>Weight: 202g(approx.) <br> <br>Package includes: <br> <br>10 x Screwdriver Bit Holder <br> <br> <br> <br>Note: <br>Please allow 1-3mm error due to manual measurement. Thanks for your understanding.<br>1、Designed for 1/4 inch hex shank bits. Good concentricity <br>2、Holds bits securely <br>3、The surface is phosphatized to prevent rust <br>4、High quality connection rod <br>5、Suitable for pneumatic screw drivers, electric drills, electric screwdrivers, screwdrivers