DEWALT DT2345 Bi-Metal Reciprocating Blades for universal use 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 Ideal for general purpose use on wood wood with nails aluminium and fibreglass Universal shank fits all major brands including DEWALT Bosch Hitachi Flex Makita Metabo Skil Specification Length 152mm Pitch 25mm