Product includes: 12 pieces umbrella replacement parts, including 2 sets of 3 sizes (6 pieces) Umbrella eyelets: 1.9, 1.5 and 1.3 ID (can be assembled), 4 pieces 40 mm/157 M8 and 2 ideal handle screws. to stabilize and align the legs of patio umbrellas. Product size: 4.8cm, 3.8cm and 3.3cm umbrella outer rings, meet the needs of most poles umbrella base, the matching size will be perfect for tightening the umbrella pole, which can protect your umbrella from scratches and dents on the umbrella pole. Premium material: the umbrella base fixings umbrella are made of high quality plastic, sturdy and durable. It has good extrusion resistance, high temperature resistance and weather resistance, and is durable. With good fixing performance, the thread replacement screw is made of high-quality plastic and stainless steel, which is sturdy and not easy to break. Easy to install: choose 3 sizes d=' Umbrella rings according to the diameter of the umbrella pole, insert the umbrella pole into the base, then tighten the M8 star handle and secure the umbrella to prevent it from slipping. VERSATILE APPLICATIONS: these grommets fit most standard rod diameters on the market; classic black complements all your outdoor furniture and leaves more room. Can be used for patio tables, beaches, patios, backyard gardens, balconies, patios and swimming pools. Good quality product