The phone holder is compatible and interchangeable with most handheld devices (Dimensions listed below). It has a clean and clever four leg design that sports great holding power without hiding your phone behind foam pads and plastics. It's perfect for quick and easy tool-less installation. It’s rustproof • Made with a high strength composite and stainless steel construction • Has a spring loaded holder that expands and contracts for perfect fit of your device • Includes rubber coated tips that will hold the device firm and stable • Attaches to wheelchairs, scooters, bicycles, medical carts and more. Lifetime warranty • Made in U.S.A