Specification AssemblyInstructions : Require Assembly Brand : VANROUG BulletPoint1 : 【DOUBLE KNOBS AND MORE BALANCED】This double knobs heavy duty umbrella bracket is suitable for 1.1-1.9 inch umbrella poles of different diameters, can be firmly fixed on the square balcony railing, bench, etc. BulletPoint2 : 【DURABLE MATERIAL】Made of heavy steel, very strong, surface black paint treatment, antirust, durable to use. BulletPoint3 : 【SPACE SAVING】Thanks to the accessories on the balcony railing, you can leave more space for using. BulletPoint4 : 【EASY INSTALLATION】The umbrella clamp can be quickly installed, large clamp can clip anywhere you want, Attach to benches, fences, bleachers, tailgates, boats, poles and more, and the position can be changed arbitrarily. BulletPoint5 : 【PRODUCT SIZE】Length x width x height : about 4.7*2.9*11.4 inch. CareInstructions : Wipe with Dry Cloth Color : Black ControlMethod : touch ExternallyAssignedProductIdentifier1 : 739583657157 ExternallyAssignedProductIdentifier2 : 0739583657157 ExternallyAssignedProductIdentifier3 : 00034613390142 FabricType : Polyester IncludedComponents1 : Solar Panel IncludedComponents2 : User Manual InstallationType : No assembly required IsAssemblyRequired : 1 ItemDisplayDimensions_Length : 20.47 inches ItemDisplayDimensions_Width : 20.47 inches ItemName : VANROUG Heavy Duty Parasol Holder Patio Umbrella Stand Mount Umbrella Stand Bench Buddy Umbrella Holder Fixed Clip Umbrella Clamp for Deck,Railings,Beach Courtyard Balcony,Boats,Tailgates ItemPackageDimensions_Height : 30.4 centimeters ItemPackageDimensions_Length : 12.2 centimeters ItemPackageDimensions_Width : 12.4 centimeters ItemPackageQuantity : 1 ItemShape : Square ItemTypeKeyword : patio-umbrella-bases ItemTypeName : Umbrella Base Manufacturer : VANROUG Material : Polyester Fabrics, Powder-coated iron Material1 : Cement Material2 : Stainless Steel ModelName : Umbrella Base ModelNumber : 840-044 NumberOfBoxes : 1 NumberOfItems : 1 OpeningMechanism : Crank Lift PackageLevel : unit PartNumber : SMUS101 Pattern : Solid PowerSourceType : Water powered ProductDescription : · PRODUCT SIZE:4.7*2.9*11.4 inch · FLEXIBLE: suitable for 1.1-1.9 inch parasol poles of different diameters. Adjustment range of railing 0.8 -2.4". ProductSiteLaunchDate : 2021-06-03T02:41:59.426Z RecommendedUsesForProduct : Patio, Backyard, Garden, Lawn, Poolside RequiredProductComplianceCertificate : CPSIA Size : 19"/55 lb SpecificUsesForProduct : Sun Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TargetAudience : Adult UnitCount : 1 WarrantyDescription : 1 year warranty from date of purchase for defects in manufacturing