2pcs Hex Shank 6.35mm To 4mm Insert Bit Adapter Electric Screwdriver Socket Holder Micro Bit Adapter Magnetic Holder Tools

-2‑piece hex shank bit adapter set, 6.35mm to 4mm conversion -Built‑in magnetic design, holds micro bits stably -Fits electric screwdrivers, easy to install and use -Practical small tool for home repair and DIY work