Imperial Blades' SuperCut™ 3-1/8" Storm Titanium Thin Metal Segment Blade is composed of high speed steel (HSS) and combined with Storm Titanium coating for the longest life and best performance. The IBSCT410 is a great choice for terminating cuts without over-cutting into adjacent surfaces. Recommended applications are: Thin Metal, Wood, Fiberglass, PVC and more. Popular projects include long, straight cuts in sheet or thin metal for ductwork. Compatible with all SuperCut™ multi-tools: Fein SuperCut and Festool Vecturo.