Diameter:7 Inch,Arbor:7/8 Inch (22.23 mm) with 5/8 Inch (15.88 mm) Adapter 10mm Rim height 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 Tile cutting saw blades fits most tile saw and angle grinders with a 7/8"or 5/8" arbor. Check your saw's arbor and blade capacity to be sure. Super Thin Tile Diamond Blades,for Cutting Porcelain Tiles Granite Marble Ceramics