Cut through steel, tin, aluminum, fiberglass, wood and plastic "¢ Deep 1" (41. 3 mm) cutting depth allows for cutting through 2" x 4" wood studs "¢ Extra-tough bi-metal blade. We use the highest grade of tool steel to outlast competitor's blades. That beats premature saw replacement and saves you money "¢ Steam oxide finish no paint to gum up and slow cutting. The saw runs cooler for longer life and better performance "¢ Extra-thick backplate minimizes vibration for smoother, easier, less tiring cutting "¢ Made in USA