BU424-5-Metal-Cutting-Jigsaw-Blades-Pack-of-5-Starrett-SA365-p-The-Starrett-BU424-5-Metal-Cutting-Jigsaw-Blades-with-Unified-Shank-trade-will-fit-virtually-all-jigsaw-machines-These-blades-feature-170-more-weld-contact-area-than-standard-bi-metal-blades-through-the-Unique-trade-solid-state-diffusion-bonding-process-This-ensures-exceptionally-strong-teeth-combined-with-the-multiple-cutting-edges-and-split-chip-advantage-ensure-that-these-blades-typically-last-25-longer-than-directly