Please read the profile. Kanzawa Insulation Cutter K-470 Blade length: 17cm Blade thickness: 0.8mm Overall length: 33cm For cutting rock wool, glass wool, extruded polystyrene foam, rigid urethane foam, foam styrene, soft fiberboard, etc. Original 3-sided blade with a serrated blade, straight blade, and cutter edge all in one, allowing you to switch between them depending on the material and task. Please understand that this is a used item. We do not accept returns or complaints. #InsulationCutter #Carpenter #CarpentryTools #Tools #Equipment