1.Panoramic clip holder, is a double- clamp base , the upper clamp base for the general round , the lower base can rotate 360 degree panorama .2.Panoramic head using aircraft grade aluminum alloy with high hardness , Universal CNC precision machining , high- level processing technology,3.Military grade hard surface oxidation treatment .4. Model Number: X-645.Material: Metal6.Diameter : 64mm7.Thickness : 26mm8.Thread : UNC3 / 8 ( using M6 screws can be directly mounted on long tables )9.Weight : 230 g10.Load : 10 kg

http://olla.gr/x-64-professional-camera-tripod-monopod-panoramic-panorama-head-with-quick-release-plate/