Versa Tool SB5H 80mm HSS Circular Multi-Tool Saw Blades 5/Pack Fits Fein Multimaster, Rockwell, Sonicrafter, Oscillating Tools. Made from high-speed steel, the 80mm wood and metal cutting blade is ideal 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.