Specification Brand : Fockety BulletPoint1 : 【Heavy Duty】2 extended fixing knobs, 4 expansion studs and 4 hex screws are made of premium metal, which completely avoids the embarrassment of rusty screws, and the patio umbrella base bracket will not rust outdoors. and, not only increase the thickness of the base from 2.5mm to 4.1mm, but also add four reinforcing triangular supports to make deck umbrella stand more indestructible even in bad weather. BulletPoint2 : 【4 Stabilizing Modules】a special module for fixing the bottom of the umbrella handle is added, together with another 3 pvc pipe sleeves, make the outdoor umbrella more stable and won't wobble even in windy weather. the diameter of the 3 sleeves are 1.25 inches, 1.5 inches and 1.9 inches respectively. and, bracket size: bottom length: approx. 10.2cm/4.0inch; height: approx. 29.5cm/11.6inch. BulletPoint3 : 【Compatible】hollow bottom can easily cause to rotting or rusting of the umbrella handle, especially on wet ground. so the bottom of the outdoor umbrella stand is sealed. and, this table umbrella base can be used with beach umbrellas, traditional patio umbrellas or large patio umbrellas. leave more space for your deck or patio. BulletPoint4 : 【Widely Compatible】designed to securely hold your patio umbrella or flagpole. the umbrella base is perfect for decks, docks, pontoons, patios, picnic tables and other places. patio umbrella stand base allows for more space on your deck or patio. the color is black so it compliments all your outdoor furnishings and allow for more space on your deck or patio. BulletPoint5 : 【100% Satisfaction Guaranteed】We promises every customer a 100% shopping satisfaction, reach us if you have any questions about your purchase. If the patio umbrella deck mount fails to make you satisfied let us know right away so we can send you a full purchase refund. If you have any question, please contact with our customer service. ItemName : Fockety Patio Umbrella Stand, Carbon Steel Deck Mount Umbrella Holder with 11.6inch Height, Table Umbrella Base Stand, Umbrella Holder and Clamp on Decks, for Decks Docks Pontoons Patios ItemPackageDimensions_Height : 12 centimeters ItemPackageDimensions_Length : 33 centimeters ItemPackageDimensions_Width : 13 centimeters ItemTypeKeyword : patio-umbrella-bases ItemTypeName : Umbrella Stands & Bases Manufacturer : Fockety ModelName : Focketyh9wxg2ga10 ModelNumber : Focketyh9wxg2ga10 PartNumber : Focketyh9wxg2ga10 ProductDescription : 1. REINFORCED AND THICKENED BASE: Not only increase the thickness of the base from 2.5mm to 4.1mm, but also add four reinforcing triangular supports to make deck umbrella stand more indestructible even in bad weather. 2. PREMIUM MATERIALS: 2 extended fixing knobs, 4 expansion studs and 4 hex screws are made of premium metal, which completely avoids the embarrassment of rusty screws, and the patio umbrella base bracket will not rust outdoors. 3. 4 STABILIZING MODULES: A special module for fixing the bottom of the umbrella handle is added, together with another 3 PVC pipe sleeves, make the outdoor umbrella more stable and won't wobble even in windy weather. The diameter of the 3 sleeves are 1.25 inches, 1.5 inches and 1.9 inches respectively. 4. UNIQUE DESIGN: Hollow bottom can easily cause to rotting or rusting of the umbrella handle, especially on wet ground. So the bottom of the outdoor umbrella stand is sealed. 5. WIDELY COMPATIBLE: This table umbrella base can be used with beach umbrellas, traditional patio umbrellas or large patio umbrellas. Leave more space for your deck or patio.