Holemaker Straight Flute Step Drill Set, 3 Piece, 4-12Mm / 5-25Mm / 6-30Mm

3 Piece Set Includes:
1 x SDST4-12MM 4 – 12mm
1 x SDST5-25MM 5 – 25mm
1 x SDST6-30MM 6 – 30mm