For use with jigsaws with T-Shank clamping systems. The T 227 D Special for Alu Jigsaw Blade delivers fast curved cuts in metal. Its milled, side-set tooth geometry with large, oval-shaped gullets and narrow blade width are designed for fast curved cuts. The blades fully hardened, high-grade HSS (high-speed steel) is appropriate for cutting aluminium and non-ferrous metals. It is equipped with a medium tooth pitch (3 mm) and cuts aluminium sheets with 3-15 mm thickness and aluminium pipes and profiles up to 30 mm diameter.