Bracketron Cup-iT Universal Golf Cart Cup Holder Mount with Grip-iT Fits large cup holder sizes up to 3.75" in diameter Transfers to multiple vehicles and golf carts Grip-iT adjusts out to 4.5" wide Fits most handheld Golf GPS devices No tools required for installation Universal device easily and securely holds your golf GPS unit in an easy-access position, in your cart's cup holder Fits large cup holder sizes up to 3.75 inches in diameter; Grip-iT's unique design allows clamping arms to open up to 4.5 inches wide Transfers to multiple vehicles and golf carts; fully adjustable for easy viewing No tools required for installation; can also hold BlackBerry, iPhone, and other mobile electronics Includes limited one-year manufacturer's warranty