1. Material: Made of strong material, the sand clamp withstands strong winds and helps protect you from UV rays in all conditions. 2. It can be firmly attached to umbrella poles with a diameter of 0.87 inches (22 mm) to 1.5 inches (38 mm). The threaded fastening system is adopted to ensure a tight fit. The pole adjustment screw helps you match the size of your umbrella to easily fix it in place. 3. Easy to install: Its screw-shaped design and wide handles allow you to easily mount the anchor in the ground, insert your umbrella, tighten the adjustment bolt and enjoy the beach. 4. High quality and maximum safety: This sand anchor will last a very long time due to its construction and safety-oriented design. It is stronger and safer than sharp metal anchors that rust over time and can be dangerous. 5. Total Convenience: Portable, lightweight and compact, it can be easily placed in your beach bag or your , bringing shade with you wherever you go. Beach Umbrella Anchor: Size: 38 x 24