Evolution D300SEG-CS General Purpose Diamond Cutting Blade 300mm x 22.2mm x 21T The Evolution D300SEG-CS is a high performance diamond blade with the ability to cut all types of masonry including reinforced concrete with steel rebar. Compatible with the R300DCT Concrete Cutting Saw, the R300DCT+ Concrete Cutting Saw and Evolution\'s older 305mm/12\" Disc Cutter models.  FEATURES Quality diamond edge delivers heavy-duty performance Easily cuts with outstanding performance on both hard and abrasive masonry, hard brick, pavers, stone, concrete, and steel reinforced concrete For use on 12 in. high-speed power saws, masonry saws and low-horsepower walk-behind saws Popular choice among contractors SPECIFICATION Diameter: 300mm Max. Speed: 5100rpm Bore: 22.2mm Teeth: 21