Specification Brand : AMMSUN BulletPoint1 : Stable and flexible: The inner diameter of the tube of the Patio Umbrella Clamp is approx. 4cm/1.6'', which is compatible with parasol poles of diameters from 1 - 1.5 inches. And the patio umbrella stand is equipped with a 12cm/4.7'' wide clamp opening and 2 thumbscrews that allow you to firmly fix the umbrella and adjust the height. BulletPoint2 : Strong & Durable: Ours Umbrella Holder is Made of heavy-duty Steel, strong, and can be used for a long time.Iron umbrella holders are easy to rust and deform. Our umbrella stands are made of high-quality steel, which can maintain the original quality after wind, rain and exposure, and have a long life cycle. You can use it for a long time. BulletPoint3 : Simple installation and Adjustable: No need for any tools, quick set-up and release.Simply turn the screws to adjust the hole diameter and to achieve the desired width. BulletPoint4 : Space-Saving: Unlike most other bulky and heavy umbrella bases and brackets, The outdoor umbrella clip is designed to give you more room for flowers and room for entertaining. Just attach it to your balcony railing, then you will get an instant shade with ease and enjoy leisure time. BulletPoint5 : Multifunction: You can attach your metal umbrella stand clamp to bleachers, benches, tailgates, boats, fences, pool decks, Railsor Fence Post, Railing and so on. Note: The umbrella stand is only suitable for square balcony railings. It cannot be fixed firmly on the circular railing. Color : Dark with 360 degree rotatable ExternallyAssignedProductIdentifier1 : 0195759007193 ExternallyAssignedProductIdentifier2 : 195759007193 IncludedComponents : Base ItemDepth : 6.5 inches ItemName : AMMSUN Heavy Duty Upgraded Patio Umbrella Clamp Clip Steel Umbrella Stand Holder Fit Square Balcony Railings Mount Attaches to Railsor Fence Post Railing Bleachers Benches Tailgates Outdoor ItemPackageDimensions_Height : 26.1112 centimeters ItemPackageDimensions_Length : 5.6896 centimeters ItemPackageDimensions_Width : 18.6944 centimeters ItemPackageQuantity : 12 ItemShape : Rectangular ItemTypeKeyword : patio-umbrella-bases ItemTypeName : outdoor umbrella clamp Manufacturer : AMMSUN Material : Stainless Steel ModelName : umbrella clamp ModelNumber : umbrella clamp OpeningMechanism : Manual Lift PartNumber : umbrella clamp Pattern : Solid ProductDescription : AMMSUN Outdoor Umbrella Clamp -Upgraded Steel Patio Umbrella Holder | Attaches to The Railsor Fence Post, Railing, Bleachers, Benches, Tailgates ProductSiteLaunchDate : 2023-04-19T10:09:58.786Z RecommendedUsesForProduct : Patio Size : 1 Pack Style : Outdoor Umbrella Clamp SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TargetAudience : Adult UnitCount : 1