DEWALT DW4729 4-Inch Continuous Rim Diamond Saw Blade with 7/8-Inch Arbor for Tile Extended performance diamond matrix provides long life and enhanced material cutting Continuous rim design provides chip free cutting in all types of tile Cutting all types of tile and stone Accurate chip free cutting Extended performance diamond matrix provides long life and enhanced material cutting Continuous rim design provides chip free cutting in all types of tile XP2 and XP4 blades designed specifically for high power tile saws, allowing quick, free, low heat, and straight cutting XP2 and XP3 blades with laser cut expansion slots eliminate blade warping due to heat build-up Premium XP2 and XP4 cutting matrix means XP2 gives 2x's the life of standard blades, XP4 gives 4x's the life of standard blades