Ciro Constrictor Phone Holder With Perch Mount The Constrictor Phone Mount from Ciro is one of the best looking phone holders on the market. Designed specifically with the needs of riders in mind, the Constrictor offers a one hand lock mechanism that can be swapped from right to left based on your preference. The adaptable design adjusts to a wide range of phone sizes, up to 4-1/2 wide, with or without cases. Features: Soft rubber lined foot, arms and base provide stability and prevent slipping 5/8 GEN 2 ball and socket assembly Adjustable foot base to accommodate a wide variety of heights Can be used in vertical or horizontal positions Ambidextrous lever can be easily switched from left or right Quickly lock your phone in place and release it with one finger Mechanical grip provides a firm and secure hold Ball mounting system allows for a broad range of placement and angle adjustment Works with phones up to 4-1/2 wide Perch Mount Includes: Clamp drilled for 1-1/16 to 1-11/16 bolt spacing 1/4 x 20 bolts for HD applications M6 Bolts for metric applications See fitment tab for confirmed applications