Detailed Product Description Description : 1. Professional grade. 2. Super high quality for professional usage, great blade performance for fastest cutting, longest life and optimal cutting cost Specification : 1. Diameter: 110mm-500mm(4-18).2. Cutting wide: 1.8-3.2mm.3. Hole dimater: 18-32mm.4. Tooth number: 20T, 30T, 40T, 60T, 80T, 100T, 120T.