... Saw Blades for Wood The specification: Diameter: 110mm-500mm(4"-20") Body thickness: 1.5-3.0mm Packing detailes: 4" Meas: 54 ... . W: 17KGS Cutting wide: 1.8-3.2mm Hole dimater: 20, 20/25.4, 25.4/30mm Tooth number: 20T, 30T, 40T ... , 60T, 80T, 100T, 120T Outer DiameterBody ThicknesskerfHole Diameter Teeth NumberINCHMetric(mm)(mm) 20T 30T 40T4"1101.2 1.820 30T 40T 50T ...