Specifications:
VHF marine antenna base mount kit bracket;
Material: High-strength 316 stainless steel, waterproof and rust-proof, sturdy and durable;
Dimensions Base: 3.05 inch/77.4 mm;
Centre Hole Diameter: 0.75 inch/19 mm;
Vertical height from base to thread: 1.5 inch/38 mm;
Internal diameter of screw hole approx: 0.25 inch/6.5 mm;
Suitable for all antennas with 1" - 14 threads;
Screws Length: 1.2 inch/30 mm;
Bolt Length: 1.96 inch/50 mm;
Nut Diameter: 0.38 inch/9.8 mm;
Package List: 1 x Stainless Steel Antenna Base, 3 x Screws, 3 x Bolts, 3 x Nuts.