Knipex 90 20 185 pipe cutter for plastic conduit pipes and hoses 185mm knipex 90 20 185 this 185mm l pipe cutter from knipex has been designed for cutting thin walled plastic tubes e g plastic armoured conduits and hoses plus fabric strengthened types e g compressed air made of plastic and rubber cuts straight and clean without deformation the cutter has been manufactured to a high standard and is chrome plated made of tough glass fibre reinforced plastic knipex 90 20 185 pipe