Usage Tips:About this item: Package Includes: You will 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 industrial-grade stainless steel, durable and reliable, and will not break or deform . 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 granite slab, and the screw holes in the bottom of the stainless steel umbrella tube stand, then tighten the steel screws. In this way, your umbrella 't rotate and move in the wind and can move where you need. Wide Application: The item can be fixed on cement boards, granite boards, iron boards, wooden table, , marble slab, etc., and also suitable for umbrella poles, flagpoles, wind direction poles and other poles. Specification: Color: Silver & Black Material: stainless steel, PVC Package Contents: 1 x stand tube 1 x 1-1/4inch(32mm) PVC pipe sleeve 1 x 1-1/2inch(38mm) PVC pipe sleeve 1 x 1-9/10inch(48mm) PVC pipe sleeve 1 x steel nails 3 x metal ring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.