RK7867 6" 1/2HP BENCH GRINDER (ROCKWELL) | Adjustable tool rests. No load speed of 3450 rpm, magnifying eye shields and spindle lock. 6 x 3/4 x 1/2 in arbor hole grinding wheels, wheel grit left #36/right #60, machine weight of 29 lb. Accessories include (2) work rest and (2) abrasive grinding wheels.