Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220)
| Country | USA |
| Brand | Koch Industries |
| Manufacturer | KOCH INDUSTRIES |
| Binding | Tools & Home Improvement |
| ItemPartNumber | 4220425 |
| Model | 4220425 |
| UnitCount | 1 |
| UPCs | 719961494499 |
| EANs | 0719961494499 |
| ReleaseDate | 0000-00-00 |