Depressed Center Combo Wheel, 4 1 2 in dia, 1 8 in Thick, 5 8 in 11 Arbor, 30 Grit, Aluminum Oxide ORS NASCO Used to provide leverage on Used to provide leverage on hand operated valve wheels Permits a smooth snap hammer action to make opening and closing stubborn valves easy The special shaped opening in the wrench reduces the chance of slippage when working in overhead or crowded positions Durable cast aluminum body with hanging hook Full length comfort trigger Rugged aluminum extension Powerful zinc alloy Xtra Thrust® nozzle [Nom] 4 1 2 in Grit 30 Hardness Grade A30S Hazmat NO Jan San Catalog NO Prop 65 NO Quarterly Flier NO Special Order NO Speed [Max] 13300 RPM Stock Status In Stock Style Depressed Center Thickness [Nom] 1 8 in Tool Shape Type 29 Type Type 27 Used With Angle Grinders Welding Catalog NO Specifications