- Rotatable Design for Versatile Protection: Our umbrella holder features a rotatable design that allows you to adjust the angle for optimal rain or sun coverage, ensuring you stay comfortable in any weather. Installation is quick and easy—simply loosen the clamping nut, secure it to the pole, and tighten the nut to hold it in place. - Adjustable Length for Various Heights: With an extendable design, this roof clamp accommodates different roof heights. It measures approximately 54 cm (21.26 inches) when not extended and reaches 58.5 cm (23.03 inches) when fully extended, providing flexibility and convenience for your needs. - Universal Compatibility for Multiple Uses: This umbrella holder is perfect for a wide range of applications, including strollers, golf carts, beach chairs, bicycles, electric scooters, fishing trips, and more. Its universal compatibility makes it an essential accessory for various outdoor activities. - Compact and Portable Design: The foldable feature allows for easy transport and storage. When folded, it measures about 33.5 cm (13.19 inches), making it compact and convenient to carry. Please note, the holder is designed for poles with a diameter of 2-2.5 cm (0.79-0.98 inches).