uxcell Carpenter 9" OD 40 Teeth Circular Saw Cutter Cutting Disc Product Name : Saw Cutter;Used for : Wood Cutting;Outside Diameter : 230mm / 9" Inner Diameter : 25.4mm / 1";Kerf Thick : 2mm / 0.08";Teeth Quantity : 40T Speed (Max.) : 6000 RPM;Metal Ring Diameter : Outer: 25.4mm / 1";Inner: 20mm / 0.8" : Inner: 20mm / 0.8" Material : Metal, Carbide Tip;Net Weight : 433g Package : 1 x Wood Cutting Saw Cutter;1 x Metal Ring : 1 x Metal Ring