FloraCraft Tools to use on floral and home decor, for that professional look. Styro Cutter & 2 Wires Battery- The Styro Cutter Tool is not a saw. The hot wire cuts Styrofoam into a variety of intricate shapes. Contains a tiny wire, heated by two D-cell batteries (not included). Batteries are inserted into the cylinder handgrip and this highly precise, simple-to-use tool cuts through foam with ease. Only one moving part - the On/Off switch.