DEWALT DT2346 Bi-Metal Reciprocating Blades for metal cutting, designed for cordless machines. They have a bi-metal construction, combining HCS and HSS for increased flexibility and durability. With cobalt-alloyed M2 HSS cutting edges for increased wear resistance. The reinforced tooth shoulder provides improved stability. Universal shank fits all major brands including DEWALT, Bosch, Hitachi, Flex, Makita, Metabo, Skil. Specification Length 152mm Pitch 1.4mm Max Thickness 3mm