Experience high speed material removal with the 5/8 HP induction motor. Cast iron base prolongs life with an ultra-durable design. Motor runs up to 3450 RPMs. Rear exhaust ports in wheel guards provide smooth operation. Precision machined aluminum tool rests. 12.5" Distance between wheels for larger grinding applications. 1/2" Spindle diameter. 6" Wheel diameter. Includes: 36 Grit wheel. 60 Grit wheel. Eye shields. Spark deflectors. Tool rests.