Delta Diamond Ripper Premium 4-1/2 Inch Tuck Point Diamond Blade, 3/8" Width, for Mortar Removal (4.5" X .375) - DELTA DIAMOND PRODUCTS INCORPORATED, TUCK-0453

• PREMIUM BLADE LASTS 3X LONGER - Premium grade Ripper Tuck Point Blades last 3X longer than standard grade tuckpointing blades. FAST & EFFICIENT MORTAR REMOVAL - For use by professional masons and homeowners for easy removal of old mortar between masonry bricks. WET OR DRY - Use wet or dry for mortar removal. Can also be used for wide cuts in concrete. SPECIFICATIONS - 4-1/2" X .375" wide, 7/8" arbor with a preinstalled 5/8" bushing. Will work with most hand-held grinders and circular saws. The maximum safe operating speed is 13,500 rpm. 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.