The CELL BUCKLE is your best hands-free mount for cell phones, GPS or MP3 players. Cell Buckle CB2 fits the following applications Anything round or flat that is 7/8inch to 1inch inch. CB2 will fit steering wheels on older cars with thinner steering wheels. Works great on older golf carts, ALL bicycles, ALL kick scooters, motorcycles, ATV’s (NOT for extreme off road use – NORMAL TRAIL RIDING ONLY) side by sides, shopping carts, baby strollers and joggers with the thinner handles, wheelchairs, man lifts, older boats. ANYTHING that is 7/8 inch of an inch up to 1 inch inch in diameter. The applications are endless. The Cell Buckle opens to 2.9 inches and holds 0.8 inches wide.