Stainless Steel Patio Umbrella Stand secure with 2 types of screws. Choose between mounting it to deck or securing it to concrete, granite, steel plates Includes 3 pole adapters, fit for a wide range of pole sizes from 1 1/4' to 1 7/8' Crafted from rust-resistant, corrosion-proof stainless steel, withstands even the harshest weather conditions Set up this base in minutes with pre-drilled holes Ideal for holding patio umbrella, flagpole, light poles