plastic cooling tube:material: acetal copolymerFunction:be used as outfit in machine hydraulic pressure mechanismnumerical control machine,oil-cooled and water-cooled system.Structure: this product through hand assembling,the available length could be adjustable freelynozzle diameter 's size and shape could be changed optionallydirection flexiblelooks niceremits of large capacitynon electric-conductioneroding -resistanthigh temperature resistant etcInformation of adjustable cooling tube for customer:(1) all length can be chosen(2) with plastic male threads(3) copper switch female or male threads(4) made as per specifications(5) 4 kinds of water mouth can interchangeable