TETRA PROSMITH WOOL BORE MOP

Industry standard 8-32 male thread (5-40 for .17 Cal. & .204 Cal.). 5/16-27 male thread for shotgun variants (12, 20, & 28 & 410 Gauge). Effectively applies lubricants and cleaning solvents. Absorbs contaminants. Close tolerance specifications for perfect bore fit. Durable and reusable.