With up to twice the life of the Diablo D0724R 7-1/4 in. 24T Saw Blade in double-stacked 3/4 in. x 48 in. Particle Board in a lab test*, you can be sure you have the right tools for heavy-duty projects with 7-1/4 in. 24T DEWALT ELITE SERIES Circular Saw Blades.The blades are built for long-term use with proprietary welded carbide tips and a multi-tooth design that deliver smooth cutting and durability. Designed for endurance, these blades feature large heat vents to allow for cool, seamless cuts.