World's Best 37440 - Thin Kerf Saw Blades; 8.25in. Dia., Grind: PT (Alternate Top Bevel; 10deg Hook), 40 Teeth, 0.05in. Plate, 0.08in. Kerf, 0.625in. Arbor. Use on: Table Saw, Portable Table Saw, Mitre Saw, Compound Mitre Saw, Radial Arm Saw. Beautiful finish cuts with less waste and less feed force. These blades require less horsepower, and save valuable material. Excellent choice for the discriminating woodworker and for smaller saws. NOT recommended for radial arm saws! Use extreme care in alignment, machine maintenance and operation. Always use saw guards. If guards are too thick to accommodate a Thin Kerf blade, consult the machine manufacturer for recommended modification. You may order a blade here or contact us and have our engineering staff design a custom blade for your material, machine and specific use. Comparable to SystiMatic 37440.