The Hot Wire Foam Cutter makes clean, precise cuts, adjusts for angled cuts and cuts a path 4 1/2 in w x 6 in d (11.4 cm x 15.2 cm). Use straight-rod option to cut in tight places and for faster cuts - straight rod cuts a path 3 1/2 in x 6 in (8.89 cm x 15.2 cm). Cutter heats instantly and leaves no mess. The Hot Wire Foam Cutter Attachment: Bow and Guide (purchased separately) adds versatility to the Hot Wire Foam Cutter and cuts a path 4.5 inches wide by 6 inches deep. Attach the Guide for precise angle cuts. Use only special nichrome replacement wire. To avoid the emission of toxic fumes, we recommend using the Hot Wire Foam Cutter and the Bow & Guide on Woodland Scenics foam products only. RoHS Compliant.