NEIKO 10197A Step Drill Bit Set, 5 Pc Step Bit for Metal, 50 SAE Sizes Total, 1/8” – 1-3/8”, SAE Titanium High Speed Steel Unibit, Stepper Cone Drill Bit, Two Flute Step Down Bits, Step Up Drill Bits
Neiko 10197A Titanium Step Drill Bit Set, High Speed Steel | 5-Piece Set | Total 50 Sizes