AB5J 80mm Semi-Circular Multi-Tool Saw Blades 5/Pk, 9mm Offset Mount Fits Multimaster, Dremel, , Craftsman, Oscillating Tools. Made from high speed steel, the 80mm wood and metal cutting blade is for making precise cuts in nail embedded wood, drywall and plaster material. Applications include cutting openings in flooring for venting, repairing damaged flooring and cutting openings for electrical boxes. The blade can also be used for cutting metal materials such as copper, tin, aluminum and nails. Specifications: Material: High Speed Steel Application: Metal, Wood TPI (Teeth Per Inch): 17 Speed (OPM): 25000 has been a factory direct distributor of power tools, accessories, fittings and shop machinery since 1986.