Micro-Mark - All Scales - Tools - Hot Wire Foam Cutter (SKU 109-82104)
Hot wire slices up to 5 inches deep into styrene foam board up to 4 inches thick. Comfortable handle has spring-loaded trigger for on-demand instant heating. Includes 2 contoured rods, 2 adjustable collars, .010 inch diameter wire, and 120v AC plug-in transformer.