- Fully adjustable swiveling ratchet antenna mount - Fits all 7/8" marine antennas - Round base plate has three holes for fixing, easy installation - Can be mounted to any surface angle, including horizontal and vertical - Heavy duty marine grade cast solid 316 stainless steel - Corrosion resistance, tough, strong and durable in saltwater environment - High polished surface for mirror-like appearance to match modern watercraft/boat/yacht Specification: - Material: 316 stainless steel - Color: Silver - Mount Holder Hole Diameter: Approx. 22 mm/7/8" - Base Diameter: Approx. 65 mm/2.5" - Base Screw Hole Diameter: Approx. 5 mm Package Includes: 1 Piece Boat Antenna Mount