DURABLE: OA-BRES diamond blade use fully hardened steel blade body ensure the low amplitude and low noise of the product during high-spe , with Extra height 10mm segment, guarantees a long lifetime even in the most demanding materials. EFFECTIVE：Diamond Cutting Wheel adopts advance pressing process, more quantities and higher-grade diamonds provide more efficient cutting and extra longer service life. APPLICATION: Turbo tile saw blade can be used for both dry and wet, smooth cutting for ceramic, tile, concrete, stone, brick, masonry, block, pavements. FIT SIZE: 4-1/2-Inch(115mm) concrete blade with 10mm height segmented, arbor: 7/8-Inch(22.22mm), 7/8"-20mm and 7/8"-5/8" bushing inculde, MAX RPM 13300. our blade suitable for most tile saws and hand-held angle grinders with a 7/8" Arbor. BEST CHOOSE: Whether you are a construction worker, plumber, tile installer, roof worker, DIY enthusiast, or work at your home studio, Whether it is for yourself or as a gift for others, OA-BRES 3-Pack 4-1/2" angle grinder concrete blade with beautiful package is the best choose. OA-BRES 4-1/2 inch Diamond Blade, Turbo Diamond Cutting Wheel for Angle Grinder, Dry and Wet Smooth Cutting for Tile Concrete Stone Masonry Brick Block, Arbor 7/8", 7/8"-5/8"and 7/8"-20mm Bushing Include ( 3-Pack)