Enjoy more shade and save patio space with the Patio Umbrella Holder for Deck and Fence – Heavy Duty Deck Railing Umbrella Holder. Crafted from black-coated steel, this mount resists rust and corrosion, ensuring long-lasting performance in outdoor conditions. The adjustable clamp with dual tightening knobs fits umbrella poles up to 2.24 inches (57mm), keeping them steady even in breezy weather. Installation is fast and easy with a simple 4-step process: mark, drill, screw, and tighten (screws not included). Perfect for use on deck railings, fence posts, balconies, pool decks, RVs, and camping setups. With this 2-pack, you can set up umbrellas in multiple locations or use both mounts for one umbrella to increase stability. 【Heavy Duty Black-Coated Steel】 Made from premium black-coated steel for outstanding strength, rust resistance, and year-round durability in any outdoor environment. 【Fits Poles up to 2.24" Diameter】 Adjustable clamp design with dual tightening knobs holds umbrella poles securely in place, preventing movement even on windy days. 【Deck and Fence Mount Design】 Mounts directly to deck posts, fence railings, or other vertical supports—ideal for patios, balconies, pool decks, RVs, and campsites. 【Quick & Easy 4-Step Installation】 Mark, drill, screw, and tighten—setup takes only minutes (screws not included). Works with both wood and metal surfaces. 【Value 2-Pack for Versatile Use】 Includes two mounts for installing multiple umbrellas or adding extra stability for one umbrella.