Astro Pneumatic Titanium Step Drill Bit Set (1/8 Inch - 1/2 Inch , 3/16 Inch - 1/2 Inch, 1/4 Inch - 3/4 Inch)

Self-starting multiple hole sizes Contains one each of: 13 Hole Sizes from 1/8 inch to 1/2 inch and 1/32 inch increments 6 Hole Sizes from 3/16 inch to 1/2 inch and 1/16 inch increments 9 Hole Sizes from 1/4 inch to 3/4 inch and 1/16 inch increments Net Weight: 1/4lbs. (. 11kg)