The Fein 63503177010 Jigsaw Blades are Profi-Line chrome vanadium steel blades designed for very fast, straight cutting in wood. They are suitable for softwood, construction timber, kitchen worktops, plywood, multiplex, blockboard, MDF and chipboard. The extra-long blade design and 6 TPI tooth configuration provide efficient cutting performance across a wide range of woodworking applications. Supplied as a pack of 5.