Workpro 9-piece 1/4" Hex Shank Drill Bit Set For Metal Steel Wood Pvc

Drill with WORKPRO Hex Shank Drill Bits. 👍Firm Structure: 1/16 "to 1/4" drill bits adapt locking chunk with stamping process while 5/16 "and 3/8" drill bits adopt full ground chunk. 👍Applied Materials: Suitable for wood, PVC, copper, aluminum alloy, stainless steel, etc., CAN NOT be used for masonry construction materials.