Jigsaw blade set for cuttingr multiple materials such as wood, PVC, laminate, metal and stainless steel This set includes blades made from High Carbon Steel (HCS, High-Speed Steel (HSS) & Bi-metal (BiM). The blade attachment is a bayonet or T-shank and has been designed for quick and easy blade changes. The shank shape ensures a secure fit, reducing the risk of slipping or coming loose during operation.