This antenna mount is made out of high quality rust-free stainless steel AISI 316 A4. Resistant against seawater and uv radiation. The antenna mount can be fixed in almost any angle. Suitable for all ordinary gps and ukw antennas with a 1 inch thread (1''x14 UNF).Mountable on tubes with a diameter from 22 to 25 mm. weight: 520 g