General description The Set of 6 Umbrella Stands is designed to stabilize and adjust the bases of garden umbrellas. This versatile accessory includes 3 umbrella hole rings, 1 umbrella oblique support tube, and 2 M8 star screws for manual tightening, making it ideal for various outdoor settings. Technical specifications Umbrella hole ring sizes: inner diameters of 1.9", 1.5", and 1.3" (can be assembled together) M8 star-shaped manual knob fixing screw length: 20mm/0.79" Installation Select the appropriate umbrella ring based on the diameter of the umbrella pole Insert the umbrella pole into the base Tighten the M8 star-shaped hand knob to secure the umbrella and prevent slipping Usage This product is suitable for a wide range of applications, including use on patio tables, beaches, courtyards, gardens, balconies, decks, and more. The classic black color complements all outdoor furniture, helping to save space. Other information The umbrella base accessories are made of high-quality