1 Granite blade: Special designed for dry cutting of stone materials such as granite, sandstone, limestone etc. ; Diameter 4"~24" 2 General Purpose Blade: For general purpose cutting of bricks, block, slate, stone, concrete, concrete pipe with with superior efficiency ; Diameter 4"~24" 3 Fast Cutting Saw Blade: Medium-soft bond, specially for fast cutting of granite, hardbrick, clay paver , cured concrete and hard rocks; Diameter 7"~24" 4 Green Concrete Saw Blade: For very abrasive materials such as green concrete and cinder block . Maximum performance and long life; Diameter 12"~24" 5 Asphalt Saw Blade: For very abrasive materials such as asphalt and concrete over asphalt, maximum performance and long life ; Diameter 12"~24" 6 Cued Concrete Saw Blade: Designed for various kinds of cured concrete such as reinforced concrete, concrete pipe and concrete slab, outstanding cutting speed and lift ;Diameter 9"~24"