With the Dewalt DT2348-QZ reciprocating saw blades, you cut quickly and efficiently through tough and composite materials. The flexible bi-metal construction combining hcs and hss bends smoothly under load, significantly reducing blade snapping and tooth breakage. a variable tooth pitch of 1.8 to 2.5 mm ensures rapid, aggressive cutting in tough plastics, sandwich panels, pipes, and profiles from 3 to 12 mm thick. Measuring 152 mm in length, these blades easily reach tight spots during demolition and renovation projects. The universal shank fits standard reciprocating saws, making this handy 5-piece pack a dependable choice for continuous work without frequent blade changes.