Pearl Abrasive P4 DIA45TT Turbo Mesh Blade for Porcelain and Granite 4-1/2 x .048 x 7/8, 20mm, 5/8 Extra Long Life, Thin turbo-mesh rim and core for fast cutting and minimal chipping Ideal for cutting extra hard ceramics, porcelain, and other hard and dense materials Wet or Dry Cutting Blade features a 10mm Rim