Tooth type, HSS material, 72 teeth. Used for Cutting-off,slitting saw, copper, metal, plastic, wood, etc. Thin kerf for fast and smooth cutting action and minimum waste. The slitting saw cut quickly with fluent swarf, is easy to operate. Our saw blade helps maximize both the accuracy of the cut and the efficiency of your work, so you enjoy a job well done and the ability to complete more tasks in less time.