Extremely sharp carbonized cutting edge.
Attaches to a drill press or with a hand held power drill.
For soft materials only.
Length of holding tip: 7/8"
Length of cutting cylinder: 3"
| Osborne No. | Overall length (in) | Diameter (in) | Weight each (oz) |
| 1212 1/2 | 3 | 1/2 | 2 |
| 1212 3/4 | 3 | 3/4 | 2 |
| 1212 1 | 3 | 1 | 3 |
| 1212 1-1/4 | 3 | 1-1/4 | 4 |
