Quality materials for oustanding performance! Produced by following state-of-the-art processes and by using high-tech machines, these bimetal jig saw blades have been specifically designed for use in hardwood, abrasive wooden and harder materials such as non-ferrous and ferrous metals. This special bond of HCS and HSS fits the most diverse needs. Appropriate to avoid any shank breakage thanks to its flexibility, this material lasts much longer than HCS and HSS. An excellent value for your money. Available in 5-piece packaging.