FUNCTION: The sink bracket is upgraded to a fixed triangular stable structure. Only a complete sink support system can play a stable supporting role without shaking and save space. EXCELLENT QUALITY: The undermount sink brackets are made of steel, which will not rust in the humid environment of bathrooms, toilets, and kitchens. DESIGN: The undermount sink bracket upgrades the shaped design of the large base, which is more generally suitable for sinks with various drain diameters, such as sinks/ceramic sinks/kitchen double sinks/small kitchen sinks/farmhouse sinks and more. FUNCTION: The retractable design makes this sink repair kit suitable for most kitchen sinks. Protects cabinet countertops from damage. EASY TO INSTALL: The sink mounting kit is easy to install and use, just place the sink bracket in a suitable position under the sink, adjust it to a suitable height, and then tighten the lock to complete it easily. Specification: Material: Steel Package Includes: 1 pc under sink bracket Note: Please allow slight errors due to manual measurement and different monitors.