The DeWALT Elite Series™ demolition carbide tipped reciprocating saw blades last up to 30% longer vs Diablo® and feature precision welded carbides along the cutting edge to withstand multiple nail strikes. Carbide teeth are ground to quickly cut through wood with nails. Iron Blast Technology™ surface enhancement strengthens the blade to resist fatigue and teeth stripping. The tall, thick blade profile is designed to provide durability for tough demolition applications.