With up to twice the life of the Diablo? D0724R 7-1/4 in 24T saw blade in double-stacked 3/4 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.