Features: 1.Large and strong: This excellent clamp is suitable for most umbrellas, and can clamp anywhere you want (0-2.4 inches), such as benches, backsplashes, boats, poles, boats, fences, it's absolutely is your best choice! 2.Easy to use: Best companion for umbrellas, flags and other poles. You can adjust the diameter of the hole by tightening the screw. The maximum clamping thickness is 2.4 inches. The bracket can be quickly installed on the railing, and the position can be changed. 3.Durable material: The conventional type of this clamp is forged from high-quality steel; the upgraded version is made of stainless steel. The surface is galvanized and has better oxidation resistance and is not easy to rust. It can be used many times in harsh outdoor environments. 4.Space saving: Because the umbrella clip is fixed on the railing, it saves a lot of space for other things, such as flower pots, tables, chairs, and barbecue racks. Designed to provide instant and convenient shadows. Perfectly cover barbecues, sports events, outdoor work and other entertainment activities. 5.Note: Please check the diameter of the umbrella before ordering, and then check the diameter of the deck or slide rail to be used. The diameter of the umbrella should be less than 1.4 inches, and the thickness of the railing should be less than 2.3 inches. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Please check the diameter of the umbrella before ordering, and then check the diameter of the deck or slide rail to be used. The diameter of the umbrella should be less than 1.4 inches, and the thickness of the railing should be less than 2.3 inches. Description: 1.Name: Parasol frame fixing clamp 2.Material: A Type : iron; B Type: stainless steel and galvanized 3.Weight: A: regular model 360g; B: upgrade model 500g 4.Size:15.5 x 15.5 cm Package List: 1 x Heavy Umbrella Clamp