This Hardi Hitachi-blade circular blade has a diameter of 10 inches and is made for use with most 10-inch miter saws. This blade has a 5/8-inch arbor and their special 6-tooth design provides precise, dust-reduction cuts. Highly resistant to leaf polycrystalline diamond tips provide 5 times longer life that the diamond cutting blades and other tips 30 times more carbide cutting blades of traditional life. The tips of polycrystalline diamond are also self-sharpening properties. This card is great for ripping, crosscutting, and mitering in fiber cement boards and walls. This product is covered by a 5-year limited warranty gives the original purchaser. Bleeding thin blades of circular saws. Substitutes