1. Applicable Rails: Base measures standard 1‑14in male thread, recommended for installation on 22‑25mm (7/8‑1in) vertical, horizontal or oblique rails.
2. 316 Stainless Steel: Constructed investment cast 316 stainless steel, has good in humid air or high temperature weather.
3. With Lever Handle: This ratchet rail antenna base features a lever action handle that makes lowering the antenna quick and easy for passing under trailering.
4. Adjustable Ratchet: The antenna base has 2 adjustable ratchets, the upper ratchet can be adjusted to 270 degrees, the lower ratchet can be adjusted to 180 degrees.
5. For Marine Use: The VHF antenna mount is suitable for boats, yachts, RVs, etc., it has a compact structure and standard size, which is easy to install and replace.

Spec:
Item Type: Marine VHF Antenna Mount
Product Material: 316 stainless steel, mirror polishing
Thread Diameter: 1in
Applicable Rail Diameter: 22-25mm (7/8-1in)
Features: The antenna base has 2 adjustable ratchets, the adjustable angle of the upper ratchet is 270 degrees, and the adjustable angle of the lower ratchet is 180 degrees
Applications: Boats, yachts, RVs

Packing list:
1 x Marine VHF Antenna Mount