Irwin Unibit 3-Piece High-Speed Steel Step Drill Bit Set, #1 #2 #3 OMC Check valve controls glue flow

Check valve controls glue flow

Selective actuation switch allows for either sequential or contact nailing with the simple flip of a switch

Heavy-duty suede leather

blade diameter makes it easy for the user to maneuver the blade to make notched and rounded cuts to fit tiles as required

Irwin Unibit 3-Piece High-Speed Steel Step Drill Bit Set, #1 #2 #3 OMC Check valve controls glue flowThis Irwin Unibit Step Drill 3 Piece Pro Kit combines many common bit sizes. Pieces are made of high speed steel (HSS) which withstands heavy usage without any loss of control, and all of them have starter tips to eliminate center punches. Step drill bit set features straight flutes that protect thin materials. Each of the pieces has markings engraved onto the sides, which show the exact measurements for each step, and the specialized tips help