* Progressor for Wood and Metal blades offer fast, clean cuts through wood with nails and other sandwich materials. The progressive tooth design ensures fast cuts and long life in thick and thin materials* Accurate for Wood and Metal blades are more precise for use in wood with nails, OSB, plastic and other materials* T-shank blades suitable for jig saws from Bosch, AEG, Dewalt, ELU, Hitachi, Makita, Metabo, Milwaukee and others.