Dewalt DW47447 Xp7 Asphalt Segmented Diamond BladeDewalt DW47447 Quickly cut through asphalt and green concrete with XP7 Asphalt Segmented Diamond* Blades. These extreme performance blades deliver increased durability and undercut protection with laser welded drop segments. Take on more as you cut with a reinforced metal matrix that securely holds the hard wearing diamonds. These sharp, densely packed diamonds offer high removal rates and reliably deliver precise cuts on both high speed saws and walk