Click or scroll to zoom Tap or pinch to zoom 3" 18 TPI Bi-Metal Jig Saw Blades T Shank $6.62 SKU 28588 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Cobalt Bi-Metal blades. Cutting edge electron welded to a flexible, alloy-steel back.