About this item Designed for use with your angle grinder or high speed cutter, wheel design for fast burr free cutting easy and smooth. Keep a light touch, as the rotary tool metal cutting disc wheel will break under a extreme pressure. Use with rotary tools, for cutting metal/plastic/fiber/wood, etc. Our resin cutting discs set is made by low loss materials with sharp blade, in good shape with no broken edges. It is durable, safe and efficient, can be easily attached to the rotary tools.