General description Product includes 6 pieces of umbrella supports, including 3 umbrella hole rings and 1 umbrella holder tube with an oblique mouth, along with 2 star screws for manual tightening. This set is excellent for stabilizing and aligning the bases of garden umbrellas. Technical specifications Umbrella hole rings internal diameters: 1.9 inches, 1.5 inches, and 1.3 inches Material: High-quality plastic and stainless steel Features: Good extrusion resistance, high temperature resistance, and weather resistance Installation To install, use the umbrella rings according to the diameter of the umbrella poles, insert the umbrella pole into the base, tighten the M8 star knob, and then secure the umbrella to prevent slipping. Usage This product can be used on patio tables, at the beach, in the yard, in the garden, on the balcony, and on the deck, making it versatile for various outdoor settings.