| Brand | Somma Tool co |
|---|---|
| Turning Tool Type | Boring Bar |
| Overall Length | 6 in. |
| Material | Carbide |
| Diameter | 5/16 in |
| Country of Origin | United States |
Check the listing for details. 8 Somma Tool Carbide Turning Tools Boring Bars Internal Groving Facing. Condition: New, Made in United States. Listed at 45.00 USD. The 2 at the top of photos are 5/16". - SW4-R (stamp is very difficult to see and may be wrong, see note on last photo). - SW6-R × 4 each.