Impregnated dresser are recommended for a great many dressing operations such as centerless and cylindrical grinding, surface grinding, straight-faces and some profile dressing, slotting, angular dressing and general purpose tool room applications.
3R block 1/8″ diameter x 1/8″ high set at 0 degree angle
7/16” diammeter x 1-1/4” long shank
BG-3R8M7. 30/40 Mesh grit size.