Standard Pack = 1 piece(s). Color and Bond = Gray Ceramic ; Diameter = 7 inch ; Grit Size = 80 inch ; Hardness = K ; Hole Size = 1 1/4 inch ; Material = Ceramic (AS3) ; RPM = 3760 ; Size = 7 inch x 1/4 inch x 1 1/4 inch ; Spec = AS3-80-KVCER ; Thickness = 1/4 inch ; Wheel Type = Type 1 ;