This SlipGrip U-BOLT Mount 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 U- BOLT is very strong and coupled with SlipGrip Designed High Quality Aluminum with a 22mm Ball on one end. The other end has a curved design for the U-Bolt to fit. This design produces a strong and sturdy boat, office, microphone stands, treadmills and home mounting system. 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. INTERNATION AL ORDERS ARE WELCOMED. QUANTITY ORDERS ARE ACCEPTED