The fourth generation of Metal Devil circular saw blades sets a new precedent for performance. Aluminum blades are designed to cut aluminum, thin aluminum, copper, lead and zinc. These blades feature a polished surface and optimized design that creates a faster, smoother cut, with the longest blade life on the market. Get unrivaled blade life and quality results in every cut.Thin kerf, positive rake bladeBody blade stabilizersOptimized tooth count improves application versatility and it can work effectively on high rpm sawsPremium grade materialsLonger blade lifeFaster cuttingSmoother surface finish