Knipex Pipe Cutter - Knipex 90 10 185 Knipex 90 10 185 Pipe Cutter Multilayer & Pneumatic Hoses are ideal for all liquid multilayer and pneumatic hoses/pipes commonly available on the market in the wide application range from Ø 4 - 20 mm. With universal support for right-angled positioning these are easy on the hands even in continuous use thanks to low force required and automatic opening due to the spring mechanism. These cutters have opening spring and locking device ergonomically shaped handles made of glass fibre reinforced plastic and exchangeable blades. Not suitable for cutting cables.