Pricing mentioned is for EA. Requires a minimum buy of 1 piece. A-SG Cut-Off Wheel, Type 1, 20 inch Diameter, 3/16 Inch Thick, 24 Grit Aluminum Oxide; Hazmat=False; Features=If the horsepower or RPM exceeds this rating, the 100 m/sec;Premium Wheels for cutting on Stationary machines with high power;The Wheels rated at 80 m/sec peripheral speed (EDP 66115-66134) work most efficiently with 1 horsepower per inch of Wheel Diameter; TestingAndApprovals=ANSI; StandardPack=5EA/BOX; CountryOfOrigin=DE; Abrasive Material=Aluminum Oxide; Abrasive Trade Name=A; Applicable Materials=Ferrous & Non-Ferrous Metals; Arbor Diameter = 1 in; Diameter=20 in; Grit=24; Speed=3100 rpm [Max]; Thickness=3/16 in; Tool Shape=Type 1;