Perfect for mounting a radio antenna on a tripod, simply tighten with the tripod screw—super easy! Setup takes only 30 seconds. The ultra-compact and lightweight design, just 1" square, makes it highly portable and easy to carry. Constructed from durable SUS304 stainless steel, for long-lasting use. Equipped with an M4 screw terminal, it's perfect for connecting an RF ground wire with low contact resistance. The side tripod screw hole also allows for horizontal antenna mounting. Product Dimensions: Approximately 1” square. Antenna Size Limit:Less than 6ft/1.5lbs *This product is for Traveling, Not good for large mobile antennas. Do not use this product with base station antennas.