Sanding Tapes Size: Stripping disc wheel: 50.8*12.7mm/(2*0.5 inch) Bottom diameter of part: 50mm/2inch Length of part shank: 45.7mm/1.8inch Diameter of part shank: 6.35mm/0.25inch Package included: 5pcs+1part or 10pcs+1part or 21pcs+1part