Holder accommodates devices from 10.2 to 13” in size, corresponding to a clamping range from 5.118 to 8.819". The brackets and mounting surface are coated with non-slip rubber for added stability and peace of mind and a gentle grip. Ball-shaped head allows infinitely variable, individual positioning. The extension arm rotates 360° and is infinitely adjustable at angles from 0 to 150°. Sturdy foot design features a metal plate and base with 4 non-slip feet. The base also holds an Allen wrench (hex key) and has a convenient cable opening.