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.1R block 1/4″ diameter x 3/8″ high set at 15 degree angle7/16” diammeter x 1-1/4” long shank with four flatsBG-1R8J7. 30/40 Mesh grit size. BG-1R6J7. 20/30 Mesh grit size
