316 Stainless Steel: Marine grade 316 stainless steel, rust-proof, anti-oxidation and durable. Highly polished to a beautiful mirror-like finis
Anti-Corrosion Materials: Marine Antenna Mount made of precision cast 316 marine grade stainless steel, excellent seawater corrosion-resistant and heavy duty
Size: Thread size: 1"-12 thread male; Handle Length: 115mm / 4.5 inches; Rail mount fits both 7/8” and 1” (OD) rails
Easy to installed: Clamp-on Rail Ratchet Base can be installed vertically or horizontally on the handrail of the boat. The ratchet can be adjusted 360 degrees, and can be easily fixed or released by turning the handle
Worry-Free Service: 24-Hour Customer Supports,30-Day Money Back Guaranteed.