Irwin Unibit 7/8 In. & 1-1/8 In. #9 Step Drill Bit, 2 Steps PolyFoam Marks permanently on any surface

Marks permanently on any surface from hardened steel to glass

Spring-loaded handle

The veneer core makes installation easier and cleaner

The tool's stand up design and shoulder strap capability offer user convenience while limiting fatigue

Loop system allows easy access in connecting snap-lock pipe over the top of dryer

Irwin Unibit 7/8 In. & 1-1/8 In. #9 Step Drill Bit, 2 Steps PolyFoam Marks permanently on any surfaceSingle concave flute design creates perfectly round holes in thin materials including steel, brass, copper, and aluminum. Constructed of industrial grade, high speed molybdenum steel. SpeedPoint tip for fast starts.