- 1/2" Universal Tang - fits all standard saws
- 8% Cobalt keeps teeth sharper, longer
- Bi-Metal Construction - for faster cutting, longer lasting and can bend without breaking
- Electron Beam Weld - for stronger, longer lasting teeth
- Precision Set Teeth - for faster, smoother cuts
![Irwin Marathon® Metal Cutting Reciprocating Blades with WeldTec, 8", 18 TPI #IR-372818 (5/Pkg) Irwin Marathon® Metal Cutting Reciprocating Blades with WeldTec, 8", 18 TPI #IR-372818 (5/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/256614/444283/372610__59101.1666799489.jpg?c=2)