Use these extra-fine, 1/4″ diameter x 1/2" head length cylinder burs when smoothing and finishing inside of ring shanks. Also available in fine (see our 1290116). Both are made of carbide steel for extra-long life brazed onto 3/32" carbide shanks. 8,000 - 12,000 RPM. Overall length 2-1/2"
| Brand | Grobet USA® |
| Bur Diameter | 1/4" |
| Bur Material | Carbide |
| Bur Shape | Cylinder |
| Country of Origin | United States of America |
| Grit | Extra-Fine |
| Shank Size | 3/32" |
