Uxcell a13080200ux0301 Blue 9M 29.5Ft 6mm OD 4mm ID Polyurethane PU Air Hose Pipe Tube Product Name : Polyurethane Air Hose; Material : Polyurethane(PU) Outside Diameter : 6mm / 15/64"(0.236");Inside Diameter : 4mm / 5/32"(0.157") Wall Thickness : 1mm / 5/128"(0.039");Total Length : 9M / 29.5Ft Color : Blue; Weight : 207g Package Content : 1 x Polyurethane Air Tube