Pricing mentioned is for a CT. Requires a minimum buy of 1 CT. Diameter=4 1/2 in; Arbor Diameter = 7/8 in; Grit=36; Speed=13300 rpm, 13300 rpm [Max]; Color=Brown; Abrasive Trade Name=Cubitron; Roughness Grade=36+; Abrasive Material=Precision Shaped Ceramic Grain; Body Material=Fiber; Mounting=TN; Applications=Weld Prep and Removal on Carbon Steel; Applicable Materials=Carbon Steel;