Designed for outdoor patio umbrellas, these replacement parts offer a reliable solution for maintaining your umbrella base. The tightening screw hand knob ensures secure adjustments, while the durable construction withstands various weather conditions. suitable for enhancing stability and functionality in your outdoor space. Features -Color:Black -Material:Metal, plastic -Size:4.50X4.50X4.50cm/1.77X1.77X1.77in -Precision adjustment design: effortlessly adapt to varying umbrella heights with precision adjustment, optimizing outdoor space utilization for maximum comfort and convenience -Durable and reusable: crafted for long term use, these umbrella base screws resist wear and tear, ensuring reliable performance and reducing the need for frequent replacements -Quick installation structure: simplify assembly with a userfriendly design that allows for fast setup, letting you enjoy your without requiring special tools -Universal compatibility: designed to fit a wide range of patio umbrella models, offering versatile options for your garden, patio, or balcony setup -Stable support in windy conditions: engineered for stability, these umbrella screws parts maintain a secure hold even in strong winds, ensuring safety during outdoor activities Package list: 2 x umbrella base tightening knobs