1With double?rotating ratchet designed, the quick handle can raise and lower the antenna more easily, and the ratchet makes it easier for the antenna to return to the correct upright position. 2Accepts 1?14UNS antennas, wide application, suitable for all standard marine antennas. 3Multifunctional dual?rotating ratchet designed, easy to adapt to deck or side installation on inclined or horizontal surfaces. 4It adopts a very strong ABS structure with additional strength and rigidity, not easy to be damaged. 5Easy to install and you can complete with it in several minutes to save your precious time.1 x Antenna BaseCondition: 100% New_x000D_Item Type: Antenna Base_x000D_Material: ABS_x000D_Color: As picture shown_x000D_Type: Wire Harness/Connecting Wire/Terminal Wire_x000D_Applications: Communication_x000D_Interface Type: BNC/SMA_x000D_Production Process: Injection_x000D_Features: Fire Retardant/Flame Retardant_x000D_Contact Material: ABS_x000D_Center to Center: 1-13/16in x 2-13/16in 1With double?rotating ratchet designed, the quick handle can raise and lower the antenna more easily, and the ratchet makes it easier for the antenna to return to the correct upright position. 2Accepts 1?14UNS antennas, wide application, suitable for all standard marine antennas. 3Multifunctional dual?rotating ratchet designed, easy to adapt to deck or side installation on inclined or horizontal surfaces. 4It adopts a very strong ABS structure with additional strength and rigidity, not easy to be damaged. 5Easy to install and you can complete with it in several minutes to save your precious time.1 x Antenna Base