Specifications: This round saw blade is made of hard alloy material, which is safe and not easy to rust or fade. The uniformly arranged teeth are very sharp, which can ensure fast and smooth cutting. It has excellent wear resistance and has the ability to withstand high temperatures, so that the cutting is cleaner and smoother. They are widely used in marble cutting machines, electric hand saws, sliding table saws. Item Name: Saw Blade Material: Hard Alloy Number of Teeth: A Type has 30 Teeth, B Type has 40 Teeth Features: Durable, Sharp, Round, Woodworking Tools Outer Diameter: 100mm/4" (Approx.) Inner Diameter: 20mm/0.8" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Saw Blade 1 x Gasket