●100% Aluminum with chrome anodizing. Length 4inches(102mm). Thickness 1.8mm ●Application for all silicone hoses & rubber hoses ●Bead rolled edges ensures that the hose stays place- even under pressure ●Part of a complete system of products that will allow you to create an intake for almost any application ●For whatever reason, if you are not satisfied, we will give you a full refund or send you a replacement