Outer diameter 17 mm). Single pack Maximum practicality, maximum durability. Absolutely rustproof as they contain no metal parts, they are shock-resistant, weather-resistant, UVA-resistant, and can withstand the highest pressures: up to 40 bar, well beyond normal domestic use. Their internal spring, an exclusive Claber patent, can perform up to 1.5 million clicks without the slightest breakage.
