Construction and industrial hose completely assembled with Storz couplings. Outer material: polyester yarn, round woven, warp 2-ply twisted; inside: Rubber, outside color white, professional wire binding. Protective sleeve to prevent chafing on the hose coupling. C / 52 = 52 mm Ø inside. B / 75 = 75 mm Ø inside. A / 102 = 102 mm Ø inside.