The clamping range of the tablet PC holder is between 6.102 and 12.087" 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 0.787" 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 is not impaired. The holder can be tilted, allowing each user to position it individually. Whether on stage, in the rehearsal room or at home - thanks to the 3/8" or 5/8" internal thread, the holder can be quickly and easily screwed onto any microphone stand.