The Variable Speed Grinder/Polisher is a customizable two station unit designed to suit each customer's unique needs. This machine accepts 6", 8", and 10" wheels, as well as 8" expandable drums and 8" aluminum heads with both left and right hand 1"-14 threading. This unit allows the operator to use different grinding speeds to achieve optimal grinding or polishing without losing horsepower. Accessories include flanges, nuts, drive pulley, belt guard, water valves, drains, instructions, and product guarantee. The hoods are easy to remove for cleaning or wheel changes. The water valve takes 1/4" OD plastic tubing for gravity water flow or 1/4" copper tubing for pressure systems. Spray nozzles under the hood wet the entire wheel face. Unit ships mounted on an aluminum-topped Lam-I-Cushion base. *Please note that this unit does not come with wheels, drums, or aluminum heads. FEATURES 1" x 18" Shaft 1/2hp High Torque Motor Heavy Duty Ball Bearings, Neoprene Sealed and Greased for Life Speed Control Allows Changes from 800rpm to 1725rpm Powder Coated Cast Aluminum Arbor, Pans, and Hoods with Water Valves and Drain Plugs Instruction Manual This item is shipped from Idaho. Idaho state sales tax on all Drop Shipments within the state of Idaho.