All Aluminum Alloy Material: Super quality,It is made of all aluminum alloy material, which makes the use more stable and more . Cold Shoe Mount Design: On the top of tablet Tripod Mount there is a cold shoe mount design which can attach microphone,led video light or other devices for and live broadcast. Arca-Style Quick Release Plate: Both the bottom and back of the tablet Clip have Standard design. You can directly install it on the tripod head for portrait or landscape. or 4inch screw hole on the bottom and three 1 or 4inch screw holes on the back. You can directly install it on a tripod, tripod head or other equipment with 1 or 4inch screw. Double Secure: The main knob on the back can directly lock the device, and the fine-tuning knob on the top can strengthen the locking, making everything more secure. This prevents the device from shaking or falling. Wide Compatibility: The tablet holder for tripods expands from 5.11 inch up to 9.06 inch. Compatible With for Pro 12.9, 10.5, 9.7, for Air, Air 2, for Mini 1,2,3,4, for 3 10.8, for Surface Pro, for Galaxy Tab A 7-Inch or 8-inch or 9.7-inch, for Galaxy Tab S3, for X10, A1X Plus, for MediaPad M3 8.0, Transformer Book 10.1 T100 or T100TA-C1-, for ZenPad S8 Z580C, for ZenPad 10 Z300C, for ZenPad 3S 10, for iconia Tab, for ideaTab, for Google , for or or or Nextbook 7-10.1inch Tablet and more! Screw Hole:1 or 4inch Item Weight:170g Telescopic Length:130-230mm(5.11-9.06 inch) Colour:Black Material:Aluminum alloy Package Contents: 1 x Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.