Hitachi 115430 7-1/4&rdquo; Circular Saw Blades, 3-Pack, 24T Framing/Ripping VPR Blades, High Performance Micro Grain Tungsten Carbide, 5/8" Diamond Arbor Ideal for rough framing lumber, plywood, softwood, OSB, and hardboard siding Laser-Cut Expansion slots are silicone-filled to reduce vibration and noise Compatible with circular saws 5/8 diamond arbor 8,000 max RPM