Trim and shape your custom seat insert like the professionals! The Pro One Hot Knife minimizes mess by slicing through the foam or beads rather than tearing it apart to scatter all over your shop. Also handy for carving foam plugs for composite molding. The cutting blade is 5.5 inches long. Includes an adjustable sled for cutting to a pre-set depth up to 0 to 4 inches. Operates on 110 VAC, 150 watts. Features stainless steel blade, 5 heat settings, and a spring-loaded safety thumb trigger.