- OPTIMIZED PERFORMANCE: Fleam ground tooth design allows for efficient cutting
- WOOD CUTTING: Precision-ground teeth for fast, smooth cuts in hard and soft woods, plastics, laminate particle board, and plywood
- INCREASED DURABILITY: Made with carbon construction
![Irwin® U-Shank Jig Saw Blades, 4", 10TPI Carbon Fleam Ground, #IR-307412 (10/Pkg) Irwin® U-Shank Jig Saw Blades, 4", 10TPI Carbon Fleam Ground, #IR-307412 (10/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/311829/447435/3071412__51200.1668522284.jpg?c=2)