Specification Brand : Wanhork BulletPoint1 : PROFESSIONAL DESIGN: The outdoor umbrella base can be inserted into the ground, absolutely sturdy and won't be easily blown away by the wind like the old-fashioned ground umbrella stand. BulletPoint2 : SPACE SAVING: Compared to older patio umbrella stands, the Wanhork Inground Patio Umbrella Base is more convenient and doesn't leave obstacles on the ground, so you don't have to worry about bumping into things while carrying or walking around. BulletPoint3 : MATERIAL & SIZE:Made of durable, High-Strength Steel (mounting panels made of stainless steel, waterproof and rustproof), Dimensions:L 11.3 inches x W 11.3 inches x H 18.9 inches, Weight:20.4 lbs. BulletPoint4 : WIDE APPLICATIONS: The in-ground umbrella base bracket is not only suitable for all sizes of cantilever umbrellas, but also for most upright outdoor umbrella bases (for umbrellas that need to be mounted without a base, please search for this brand of flange bases, suitable for a range of diameters: 1-2 inches); also suitable for a wide range of mounting environments, and other outdoor areas. Decks, gardens and other outdoor areas. BulletPoint5 : INSTALLATION: Inground patio umbrella stand is segmented design, firstly dig a pit 20 inches in diameter and 18.9 inches in depth where the umbrella will be installed, place this product into the pit, and then pour in the cement sand and concrete (approx. 700 lbs.), lastly, wait for it to set and then the outdoor umbrella can be installed. Color : In-ground Base ExternallyAssignedProductIdentifier1 : 0786402643419 ExternallyAssignedProductIdentifier2 : 786402643419 ExternallyAssignedProductIdentifier3 : 0811180039625 ExternallyAssignedProductIdentifier4 : 0638888631667 ExternallyAssignedProductIdentifier5 : 00638888631667 IncludedComponents : 1 Umbrella Base ItemDisplayDimensions_Height : 11.8 inches ItemDisplayDimensions_Length : 17.7 inches ItemDisplayDimensions_Width : 17.7 inches ItemDisplayWeight : 37.49 pounds ItemName : Wanhork In-ground umbrella base for Offset Cantilever Umbrellas, Stainless Steels Outdoor Umbrella Base, Upright Outdoor Umbrella Holder ItemPackageDimensions_Height : 48.895 centimeters ItemPackageDimensions_Length : 30.48 centimeters ItemPackageDimensions_Width : 30.48 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : patio-umbrella-bases ItemTypeName : Umbrella Base Manufacturer : YIGUANJIA Material : Plastic ModelName : Umbrella Base ModelNumber : SJJZ01 MountingType : Deck Mount NumberOfBoxes : 1 NumberOfItems : 1 OpeningMechanism : Manual Lift PackageLevel : unit PartNumber : SJJZ01 Pattern : Solid PowerSourceType : Hand Powered ProductDescription : Notice: Notice: The base panel is drilled with various holes corresponding to the base of the cantilever umbrella (the size of the base holes at the bottom of the cantilever umbrella usually has a range of installation allowances, so you don't have to worry about the deviation of the threaded holes). ProductSiteLaunchDate : 2021-07-06T11:23:43.529Z RecommendedUsesForProduct : Residential Size : 17.7" SpecificUsesForProduct1 : Rain SpecificUsesForProduct2 : Sun Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TargetAudience : Adult UnitCount : 1