This X-LOCK 4-1/2” Diamond Blade Variety Pack includes a segmented rim blade for aggressive cuts, turbo rim blade for smooth cuts, and continuous rim blade for precise cuts. All three blades are made with high-quality diamonds, carefully tensioned for less vibration, and can be used for dry or wet cutting. The X-LOCK 4-1/2” Segmented Diamond Blade and X-LOCK 4-1/2” Turbo Rim Diamond Blade are designed for masonry cutting, including concrete, block, brick, pavers, and roof tiles. The X-LOCK 4-1/2” Continuous Rim Diamond Blade is designed for cutting ceramic, granite, porcelain, tile, and stone. The X-LOCK Quick Change System provides up to 5X faster blade changes. X-LOCK quick change system also allows for easy tool-free blade changes by simply pulling the release lever on Makita® X-LOCK Angle Grinders (sold separately).