Diamond Blade, Blade Dia. 7 in, Arbor Size 5/8 in, 7/8 in, Arbor Shape Round, Max. Blade Speed 8,700 RPM, For Use With Saw Type Angle Grinder, Circular Saw, -Off Saw, Cutting Type Wet/Dry, Rim Type Turbo, Primary Material Application Asphalt, Green Concrete, Block, Sandstone, Materials Concrete, For Use On Concrete Type Green Concrete, Grade Premium, Blade Material Diamond