Universal tablet holder with a convenient clamping mechanism for tablets ranging in size from approx. 10" to 16" in horizontal - and approx. 7" to 13" in vertical position. The clamping range of the tablet PC holder is between 155 and 307 mm. The tablet holder is made of bio-based plastic. These plastics contain a proportion of over 50% up to 100% of renewable vegetable raw materials. The use of renewable raw materials helps to conserve limited petroleum resources and reduce harmful CO2 emissions. More information on bio-based plastics at: bioplastic.k-m.de. The holder is also particularly suitable for tablets with a protective cover or case up to 20 mm thick. The overlapping clamping jaws with integrated rubber pad guarantee a secure hold and eliminate unwanted vibration noise. The function of the operating elements on the device and the taplet pencil (portrait format only) are not impaired. The holder can be swivelled and tilted, allowing each user to position it individually. The swivel movement can be adjusted from easy to tight by means of a clamping screw. The holding arm with clamping element is suitable for clamping to tube diameters up to 30 mm