Madworks Wide Tungsten Steel Engraver Chisel. Handle is not included. High Ductility Steel material. This chisel is used for carving your own panel lines into plastic models. Can use on Plastic, ABS, PVC, Polyester Resin, Epoxy Resin. Do not use this to scribe on metal. Recommended use with Madworks MH-01 or MAX-02 multifunction handles.