The Fein 63503180010 Jigsaw Blades are Profi-Line chrome vanadium steel blades designed for very fine, clean curved cutting in wood. They are suitable for softwood, construction timber, kitchen worktops, plywood, multiplex, blockboard, MDF and chipboard. With a variable 10–18 TPI tooth configuration, they are designed to provide clean cutting results while supporting controlled curved cuts. Supplied as a pack of 5.