The DEWALT DT2441L 2X Life Reciprocating Saw Blade Set contains a mixture of blade types for a wide range of cutting jobs. Bi-Metal construction combining an HCS body with HSS teeth. With optimised tooth geometry for fast effective cutting with increased cobalt content for longer cutting life. The ToughCoat heat resistant coating prevents heat build up to maximise blade life. The wood blades have a Plunge Point tip which pierces the wood and removes more material, for fast and accurate cutting in wood applications. The metal blades have an optimised tooth design with a 14/18 tpi variable tooth geometry reduces tooth breakage in hard metals for extreme durability even in the most demanding applications. Supplied in a hassle-free, re-usable storage case that quickly and easily adjusts to suit the blade lengths. Contains 2 x DT2300L 2X Life Wood & Nail Reciprocating Blades 152mm x 6 TPI 2 x DT2307L 2X Life Wood & Nail Reciprocating Blades 228mm x 6 TPI 2 x DT2315L 2X Life General Purpose