Nordstrand Electric Styrofoam Cutter - Hot Wire Styro Foam Cutting Pen Knife Tool - 1 x Pen Cutter 4in wire foam cutter by Nordstrand Easy to use, cuts and shapes quickly in any direction Lightweight yet sturdy with no moving parts and a fixed blade On/off switch conveniently located on the handle Comes with a 12W power supply and 6ft cable