Engel HSGM 110v Heat Cutter Hot Knife (Type-R GENUINE Engel OEM Replacement Blade) THIS IS A GENUINE ENGEL OEM REPLACEMENT PART, NOT A KNOCKOFF! General use blade for synthetic fabrics, webbing and ropes up to 17mm diameter. 29mm (1.14 inch) heated surface Excellent for cutting straight lines of synthetic fabrics on a glass surface Glass does not absorb heat like other materials and all the heat from the blade will go into the cutting process Recommended units to power this blade: HSG-0, HSG-1-VW, HSG-03-VW, HSG-3-VW