The StopGull Air support for handrails, it’s suitable to be installed to any kind of handrails of bow or stern, hard - top, etc. The handrail support can be fitted in vertical or horizontal position. It's quick and easy to install. It's made of anodized aluminum and stainless steel AISI 316 and it can be fixed to a handrail from 22mm to 38mm (0’87’’ to 1,49’’) diameter.