* Progressor for Metal blades offer fast cuts and long life in thick or thin metal pipes and metal profiles* Basic for Metal blades are the economical choice for cutting sheet metal and thin metals (ferrous and non-ferrous)* Flexible for Metal blades are break resistant and durable and suitable for sheet metal and medium-thin metals (ferrous and non-ferrous)* Special for Aluminum Blades are suitable for cutting aluminum, fiberglass and plastic* T-shank blades are suitable for jig saws from Bosch, AEG, Dewalt, ELU, Hitachi, Makita, Metabo, Milwaukee and others* When cutting metal, remember to use cutting oil, turpentine or a mixture of turpentine & petroleum oil to cool jig saw blade