uxcell 6mm OD 4mm Inner Dia Blue PU Tube Hose Pipe 20m 66ft for Pneumatics Product Name : PU Tube;Material : Polyurethane(PU) Temperature Range : -15C to+70C;Recommended Working Pressure : 1.2Mpa(174PSI) Tube Size : 6 x 4mm/0.24" x 0.16"(OD*Inner Dia);Thickness : 1mm/0.04" Total Length : 20m/66ft;Color : Blue Weight : 435g;Package Content : 1 x PU Tube