Amazon.com : GENSHED Multi-Function Mobile Cantilever Umbrella Base - Including Large Mobile Umbrella Stands & Top Flat Tabel to Carry Large Cooler and Speaker On The Base. Total Weight Up to 330
Round Flat Design Parasol 300 cm - INFINA Umbrosa
Order Flat Steel Outdoor/Garden Parasol Base at Faraway Furniture
Amazon.com : Best Choice Products 38.5lb Steel Umbrella Base, Square Weighted Patio Stand for Outdoor, Backyard, Market Umbrellas, Sun Shade w/Tightening Knob and Anchor Holes - Black : Patio, Lawn & Garden
Source 17KGS Outdoor Steel Plate Square Flat Umbrella Base on m.alibaba.com
Parasol Flat Central Mast 250 x 250 - INFINA Umbrosa