3PCS Magnetic Conversion Extension Tool Parts Quick Release Screwdriver Drill 1/4 Hex Shank Extension Holder Screwdriver Bit Holder

- For use in hand-held drivers or power drills this 1/4 inch female by 1/4 inch male tempered steel shaft with a quick-release chuck - Hex shank: 6.35mm( 1/4 ) - Fir for: 1/4 shank dirver bit - Brand new and high quality - Material: Chrome Vanadium Steel - Extend all kinds of screwdriver bits screwdriver head conversion uses.Fast loosened them - Interface has a locking mechanism built-have magnetic automatically pop up batch head - Very helpful to remove or tighten a large number of screws after you ve started or - Color: Black - Suitable for drill screwdriver batch head and other to transfer.has a hardened and - Length: Small:6cm Medium:10cm Large:15cm Product Details magnetic bit holder fastening greatly improve work efficiency Package contains:3PCS Screwdriver Bit Holder