Bosch Jigsaw Blade is break proof and delivers fast straight cuts in thick and thin metal. Featuring a tooth geometry with a progressively increasing tooth pitch, blade enables work in materials with a wide range of densities. Additionally, blade’s milled, wavy-set teeth is designed for rapid cuts in sheet metal. Made from BIM (bi-metal), its fully hardened HSS (high-speed steel) tooth strip is bonded with its highly elastic HCS (high carbon steel) body, which reduces risk of breakage and provides both sufficient hardness and required flexibility to cut perforated sheet metal made of standard-strength steel. Jigsaw blade is equipped with a fine progressive tooth pitch (1.2 to 2.6mm) and cuts a wide variety of thick and thin metal sheets with 1.5 to 10mm thickness. For use with jigsaws with T-Shank clamping systems.