60 Hz motor runs at 3400 RPM no load; 15258 has 110V motor, others have 120V Aluminum oxide wheels with flanges: one coarse and one medium grit Adjustable tool rest and eye shield; UL listed Grinding Wheels: 6in. Arbor Size: 1/2in. Wheel Diameter (in.): 6, Amps: 3, Speed (RPM): 3,550, HP: 1/2, Spindle Thread Size: 1/2, Wheel Included: Yes, (1) Coarse, (1) Medium, Case Included: No 60 Hz motor Aluminum oxide wheels with flanges Adjustable tool rest and eye shield UL listed
The Northern Industrial Bench Grinder can be used with a buffing wheel, as long as the diameter(6 inch) and arbor(1/2 inch) match with the grinder itself. Northern Tool does offer 6 inch benchtop buffers as well. See links below for more information.