The TRI-76P is a Tripod with manually adjustable height. This is a tripod with a 6 inch tilting pan head. 

The legs have a centre sliding section for varying the overall height or dealing with a sloping ground. The stability of the three-legged construction is enhanced by using spreader bars between each leg. On top in the centre of the load plate is a vertical 5/8 UNC thread which is tightened from underneath. This product is not suitable for mounting Bilogs, Biconical antennas as further height is necessary, vertical/flat extenders are required.