Silver 6.35mm 1/4″ Insert Bit Adapter 5PCS Hex 6.35mm Electric Screwdriver
5pcs Screwdriver adapter. New 6.35mm 1/4″ Insert Bit adapter to 4mm 4 Screwdriver Bit Adapter Magnetic Holder. If your screwdriver takes 1/4” bits and you want to use 4mm bits. This adapter is for you.