Ergogrip Universal automatic coupling for hoses with 1/2” - 5/8” - 3/4” 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. Ergogrip line. Cutting-edge system in the smooth lines and elegant ergonomics and pleasant to use thanks to the special rubberized surface that allows a snug fit of the fingers. The spring of internal fittings Ergogrip system can perform up to 1.5 million "click" with the utmost reliability.