This is a good supplementary for a table computer. Having it, you are never troubled with the problem to change your position to accommodate for the computer. The universal joint is made from carbon steel while the fixture is made from aluminium alloy. Its length is 73 cm, depending on colors while its net weight is 1kg. There are four optional colors which are silver, milky white, black and pink. It is fit for the iPad/iPad2/The New iPad and 5-10 size table computers with less than 20mm thickness. It can adjust the angles and direction as you need with high firm force and good stability. It can be installed on 52mm in either horizontal or vertically flat and used both inside and outside.