Concord Blades STA040A10HP 4 Inch T-Turbo Segmented Blade with Pro-Teeth Protection For use cutting Concrete, Light Weight Blocks, Bricks, Field Stone, Pavers, Masonry Materials & Stone 10 mm segment height, .085" Segment width, 7/8"-5/8" Arbor Can be used wet or dry on an can be used on an Angle Grinder and Circular Saw