Thumler's Tumbler Model A-R2 Double Barrel Rotary Tumble Burs Bulk Discount 2-piece Velcro backing for tool-free

2-piece Velcro backing for tool-free attachment to hoods or any flat surface

Shape Half-Round Length 6 inch (150 mm) Width (at thickest point) 5/8 inch (15

Hardness of 72 HRc — the hardest steel file available

Order 2 pieces for a pair

Crafted in platinum alloyed with 5% ruthenium for added hardness and wear resistance

Thumler's Tumbler Model A-R2 Double Barrel Rotary Tumble Burs Bulk Discount 2-piece Velcro backing for tool-freeThe Thumler's Tumbler Model A R2 is a continuous duty double barrel rotary tumbler built for long, unattended runs. Each molded rubber barrel holds up to 3 lb, giving you 6 lb of total processing capacity across two independent batches. Suited for jewelry burnishing with steel shot, cut down work with plastic or ceramic media, or staged lapidary grinding and polishing, the A R2 delivers uniform, repeatable results with quiet operation. Manufactured in