This SilpGrip Bracket is attached to the mount by a 22mm Aluminum Ball and is well constructed and designed for strength and ruggedness. The holder is constructed from High Quality ABS plastic, with a 22mm screw-on coupler attached to the back. The jaw-like mounting mechanism is design. This design produces a strong and sturdy boat, office, microphone stands, treadmills and home mounting system. The mount is NOT recommended for used on bikes or motorcycles due the large size and weight of the tablet. It will fit any pole or post ranging in diameter from ® inch to 1 ® inch. Photos are stock, but the actual mount delivered to you will be the one you ordered. The Bracket attach to the Mount by 22mm Ball for Strength, Ruggedness and Stability PHONE & CASE ARE NOT INCLUDED. INTERNATIONAL ORDERS ARE WELCOMED. QUANTITY ORDERS ARE ACCEPTED