Features: Portable shortwave antennas baseplates with corrosion resistant metal construction ensures quick setups and stable field communication for amateur radio operations. Features a universal tripods compatible thread, not slip design, and lightweight structure optimized for wind resistance and hard terrain stability. Ideal for amateur radio enthusiasts, outdoor adventurers, and emergency response team requiring reliable long distances communication solution. Perfect for rapid deployment in camping, mountaineering, or disaster situation where strong, portable antennas critical. Outperforms standard baseplates with enhances durability, compatibility with shortwave antennas, and smooth integration into mobile communication setups. Specifications: Type: Shortwave positive V bottom plate Material: Metal Support thread: 1/4 or 3/8 thread Length: about 9cm/3.54inch Package Includes: 1xShortwave V Base Plate Or 1xShortwave V Base Plate with Rod note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.