Tormek Blackstone Silicon for T7/T8 Professional Machine This stone is versatile because

This stone is versatile because it is small enough to be portable

Gold - 15 micron/1000 grit

Our large (10" x 4") double-sided stone has 80 square inches of total flattening surface

easy to learn sharpening technique which he has taught to thousands of carvers with excellent results

Unique Sharpening Technology

Tormek Blackstone Silicon for T7/T8 Professional Machine This stone is versatile becauseThe Tormek SB 250 Blackstone Silicon has been developed for shaping and sharpening HSS and exotic alloyed steels. It can also touch up tungsten carbide. It does not offer faster steel removal on ordinary carbon steel. The combination of abrasive hardness, shape and grain size is optimized to work efficiently at the Tormek systems low RPM. Its faster material removal is an advantage especially when shaping tools with a large bevel surface, where the