About this item: Package Includes: You receive umbrella stand tube x 1, 1-1/4inch(32mm) PVC pipe sleeve x 1, 1-1/2inch(38mm) PVC pipe sleeve x 1, 1-9/10inch(48mm) PVC pipe sleeve x 1, steel nails x 1, metal ring x 3, tightened knobs x 2. Premium Materials: Our umbrella stand parts are made of high-quality industrial-grade stainless steel, and reliable, and not break or deform easily. There are welding spots around the bottom of our umbrella tube base, ensuring it is not easy to bend and break. You can use them without any worry. Adjustable Diameter: Three PVC sleeves are provided in the kit. The sizes are respectively 1-1/4inch(32mm), 1-1/2inch(38mm), 1-9/10inch(48mm). You can choose the appropriate sleeve according to the diameter of the umbrella pole. Easy to Use: There is a screw hole at the bottom of the base of the table umbrella tube holder. Just insert the screws through the bottom of the slab, and the screw holes in the bottom of the stainless steel umbrella tube stand, then