The YakAttack RotoGrip Phone Holder Pro is exactly the phone holder you would expect from YakAttack. Its revolutionary design is unlike anything that exists on the market and utilizes their popular RotoGrip technology allowing for quick one-handed operation. The phone holder features two adjustable rubber wheels that securely holds most modern-day smartphones and the width settings can easily be adjusted. Compatible with smartphones ranging from: 2.75"to 3.625"wide, 0.303"to 0.625"in thickness.This version of the RotoGrip Phone Holder includes a Universal Smartphone Harness and Tether, LockNLoad Mounting System, and a 5"extension arm for limitless adjustments. The LockNLoad Mounting System is compatible with all YakAttack GearTrac, MightyMounts, and most other factory installed kayak track systems.Built into the phone holder is their 1"ball system that allows for easy articulation to achieve a wide variety of positions. The 1"ball mount on the back of the phone holder is also used t...