1. Made of high quality SUS316 stainless steel, excellent corrosion resistance and specially designed for saltwater environment. 2. Dimensions of 38mm x 102mm, includes screws for easy assembly. 3. Highly polished finish for a sleek yet sturdy look. 4. Smooth running bearings prevent jamming during rotation and are easy to use. 5. Widely used, it is very suitable for yachts, RVs, ships and doors, with flexible opening and closing.