Made of Stainless steel. With new innovative technology and unique structure seal,better waterproof,dustproof,salt-resistant,acid and alkali resistant performance,bigger range and stronger tensile strength.It is safe and stable,and can meet the requirements of mechanical impact resistance and used outdoor. This Stainless steel cable gland was the latest invention high quality with TUV IP68 .It was made of high-quality brass,surface treatment is nickel plated brass. We devoted our selves to brass cable gland for 18 years,covering most of Europe and the Americas market.We are expecting become your long-term partner in china.