Irwin Industrial Tools
585-11103 | Unibit® High Speed Steel Metric Self-Starting Step Drill
Item #101665299

Irwin Industrial Tools
585-10235 | Fractional Self Starting/Hole Enlarging Step Bit
Item #101666695

Irwin Industrial Tools
585-10221 | Unibit® High Speed Steel Fractional Hole Enlarging Step Drill
Item #101666486
