Ergogrip® automatic coupling for hoses with 12 58 diameter. Special rubber covered surface for a perfect grip. Rustproof no metal parts and shockproof, it is resistant to the elements, UV rays and very high pressures, up to 40 bar. Features automatic water shut off valve inserted at the end of the hose, water flow is stopped when the coupling is disconnected. perfectly watertight tested for 1.5 million clicks ideal accessory for Confort spray pistols