The woodland scenics hot wire cutter replacement pairs up with a hot wire foam cutter to produce fine accurate cuts into foam that provide the shape that you wantonce applied to the cutter the wire heats up instantly which can then create different grooves in the shapes of mountains boulders pools and more it is often recommended to use this with white foam to avoid exposure to toxic fumes handle with caremeasures at 12192 cm approximately 4 feetnichrome wiremultipurposewoodland