Cutting wide: 1.8-3.2mm Hole dimater: 20, 20/25. ... 30,40,60,80,100,120 20" TCT Circular Saw Blades for Wood The specification: Diameter: 110mm-500mm(4"-20") ... 200PCS. G. W: 18kgs, N. W: 17KGS Cutting wide: 1.8-3.2mm Hole dimater: 20, 20/25.4, ... /30 40T 60T 80T 100T 120TALLOY WOOD SAW BLADE ALLOY SLAB SAW BLADEALLOY nonferrous metals ALLOY NICKING SAW BLADE 8" tungsten carbide saw blade for cutting paper