Undermount Sink Support Brackets – Adjustable, Durable, and Easy to Install Ensure your sink is properly supported with these adjustable undermount sink brackets, designed for both durability and ease of installation. Key Features: Materials: Constructed with 304 stainless steel poles and solid polypropylene composite accessories, these brackets resist rust and maintain strength even in humid environments such as kitchens and bathrooms. Adjustable Height: Each bracket adjusts from 19.7 to 31.5 inches (50 to 80 cm), making it compatible with a wide range of sink installations. Please measure your undersink height before ordering to ensure proper fit. Simple, Tool Setup: No drilling or extra hardware required. Place the brackets under the sink and adjust to the desired height by rotating the pole by hand. Instructions are included for quick installation. HeavyDuty Support: Engineered to hold up to 317 lbs (144 kg), these brackets provide reliable stability whether you are installing a sink or repairing one that has begun to sag. Ideal Applications: Installing a undermount sink without modifying cabinetry. Providing additional support to prevent sagging over time in granite or quartz countertops. Performing quick repairs on a loose or detached sink without complex tools. These undermount sink brackets combine strength, adaptability, and convenience, offering a dependable solution for ensuring your sink remains securely in place.