USE WET OR DRY - This high-efficiency wet/dry diamond blade can be used on a wide range of materials including concrete (up to 6,000 psi) masonry, asphalt, and hard stone such as quartzite. EXTRA WIDE SEGMENTS - .187" wide segments (3/16") are commonly used for cutting grooves for traffic loops, detector loops in factory floors or for burying power lines. GENERAL PURPOSE - CougarX blades may be used with hand-held power saws, 5-20 hp concrete saws and masonry saws. SPECIFICATIONS - 14" X .187 X 1"-20mm Arbor. Heat treated steel core. Laser-welded. Max. 5,460 rpm. Expected blade life is approx. 6,000 inch feet (1 inch foot = 12" length X 1" depth). LIFETIME WARRANTY - All Delta Diamond Products, Inc Diamond Blades, Coring Bits, Hole Saws and Grinding Wheels include a lifetime warranty against warping, cracking, and material defects. If any diamond tool (being used under its intended use with at least 50% wear left) fails to cut or work properly, or if the bond between the diamond segment and the steel core becomes separated at any time, the diamond tool will be replaced.