Recommended applications: Thin Metal, Wood, Fiberglass, PVC Up to 30% longer life with TiN coated BiM blades vs non-TiN BiM blades in nail-embedded wood Segment blade shape ideal for working in corners and on edges without overcut Popular projects: Long, straight cuts in sheet or thin metal for ductwork One Fit anchor fits majority of non-Starlock multi-tools: Milwaukee, Ridgid, Ryobi, Bosch, DeWalt, Dremel, Fein, Makita, Rockwell and more! 3-1/8" (79mm) HSS