4.5", Dry Cutting, Segmented, Diamond Saw Blade With 5/8" - 7/8" Arbor, Extended Performance Diamond Matrix Provides 350 Times The Life Of Conventional Abrasives & Enhanced Material Cutting, Segmented Rim Blades Are Laser Welded With Heat Treated Steel Bodies Which Provides Increases Durability & Long Life, Large Diamond Segments With Cobalt Is Ideal For Use Across Various Product Applications, 080" Edge Thickness, For Cutting Brick, Block & Tile.