Diamond Plate Adjustable Motorcycle/bicycle Phone Mount When you need navigation to find your way, or simply the melody of a favorite song to pass the miles, the Diamond Plate Adjustable Motorcycle/Bicycle Phone Mount is a must have Fits most phones, PDAs, GPS, MP3 players, and other mobile devices Features 360 swivel lockable joint and easy release button Foam padded ratcheting clamps, secure mounting clamp, and ABS construction Holder measures 2-1/2" x 4-1/4" x 1-1/2" and can expand to 5-1/8"