HSGM Styro-Cut 140 Hot Knife w/C-140 blade (110V/110W) - This is the workhorse of our polystyrene cutters! Not only can this hot knife power fairly long straight blades, it can also power an assortment of special shaped blades to cut out shaped grooves into polystyrene boards and blocks. Just plug it in, press the trigger, wait about 6 - 8 seconds, and you're ready to make some creative cuts with this hot knife. This is the tool of choice for many professionals in multiple industries. The C-140 blade that is included will cut polystyrene boards/blocks up to 140mm (5.5 inches). (220V are available by special order.)