Tetra - ProSmith Bronze Brush .270/284/7mm - SKU: T1004C
- Industry standard 8-32 male thread (5-40) for .17 Cal. & .204 Cal.)
- 5/16 male thread (12, 20, 28 and 410 Gauge)
- Close tolerance specifications for perfect bore fit
- Will not harm or scratch steel
- Durable and reusable
