*hss material and for metal,aluminum and non-ferrous metal work *10 or 5pcs in a paper card *profesional quality Jig Saw Blades for Bosch/MakitaSuitable for jig saws:FOR:BOSCH,DEWALT,MAKITA,METABO,AEG,FESTOOL,HOLZHER,KRESS,ELU,SKIL...JIGSAW jig saw blade T344D