T-shank Jig saw bladesT244D - for Fast Curve CuttingHigh Carbon Steel (HCS) w/ best heat treatmentPacking: 5 pcs/paper card set, 400 sets/ctnSuitable for jig saws:AEG ATLAS COPCO BLACK & DECKER BOSCH DEWALT ELU FEIN FESTOOL HAFFNER HOLZHER KRESS HITACHI MAFELL MAKITA METABO RYOBI SKIL ...