Tork Craft Drill Bit Adaptor Set — 3 pc (3/4/5 mm) Grub-Screw Type, 1/4′ Hex Shank (Model T-AD0345)

Convert small round-shank bits to quick-change convenience. The Tork Craft T-AD0345 set includes three adaptors with 3 mm, 4 mm and 5 mm female round sockets and a positive grub-screw lock, each with a 1/4′ hex drive for impact drivers and drill chucks. Ideal for precision bits, pilot drilling and workshop versatility.