The HS 75/4 bi jigsaw blade is a bimetal blade for for fast cuts in a wide range of materials. Choose this blade for excellent cutting results in softwoods, hardwoods, melamine, veneered plywood, chipboard, laminated boards, and similar materials. The cross-set teeth guarantee very fast cuts. Bimetal blade stay sharper and last longer than regular blades. Festool jigsaw blades are engineered for cutting efficiency, long life, and superior cutting results, with a universal T-shank design that fits most professional jigsaws.