Specifications for Different Weights: What's Included: Smart Stackable Weight: This clever modular design uses individual weighted plates that stack securely on top of each other. It allows you to ensure massive, commercial-grade stability while still maintaining a sleak, clean design. The Galvanized Steel Plate Stack Cantilever Base offers versatile, year‑round stability for umbrellas with a minimal look. Built for Ledge Lounger Ultra cantilever and compatible with classic center‑pole umbrellas (1.5" or 2"), it’s stackable for customizable weight, made for deck use, and finished to withstand wind, rain, and sun. Quick Weight Guide: Find Your Perfect Match Base Weight Best For Setup Type 75–100 lbs Standard Umbrellas Placed through a patio table (or small freestanding) 150–300 lbs Large Center-Pole & Standard Cantilever Freestanding (No table support) 400+ lbs Extra-Large & Commercial Cantilever Heavy-duty freestanding offset About Ledge Loungers: Ledge Loungers has built a strong reputation since 2011, specializing in high-quality outdoor furniture and accessories designed for both residential and commercial applications. Their products are known for durability, thoughtful design, and versatility across various outdoor settings.