#4 unibit, 3/16" to 7/8" step drill, 12 holes sizes from 3/16" to 7/8" in 1/16" increments, maximum material thickness 1/8", 3 flatted shank, shank size 3/8", single fluted cutting edge assures true round holes & allows greater control, carded.
| SKU | 6978357 | UPC | 038548101040 |
| Model Number | 10234 | Brand | Irwin |