Makita® General-Purpose Diamond Blade, 4-1/2 in Diameter, Segmented Rim, Dry/Wet Cut, 7/8 in, 5/8 in, 20 mm Arbor, 13800 rpm Maximum Speed, Diamond Cutting Edge, Cut Materials: Block, Brick, Concrete, Pavers, For Use With: Angle Grinder and Cut-Off Saw