Description: FUNCTION: The wash basin bracket stable structure. Only a complete sink maintenance system can play a stable support role without shaking and save space.MATERIAL:The Undermount Sink Brackets are made of stainless steel, which will not rust under the wet environment of bathroom, toilet and kitchen.DESIGN: The Undermount Sink Bracket stable base, which is more widely suitable for sinks with different drain diameters, such as counter sinks/ sinks/kitchen double sinks/small Kitchen sinks/farmhouse sinks and moreFEATURE: The retractable design makes this sink repair set suitable for most kitchen sinks. the cabinet countertops from damage.EASY TO INSTALL:The sink mounting bracket set is easy to install and use, just place the wash basin bracket at a suitable position under the sink, adjust it to a suitable height, and then tighten the lock to complete it easily. Specification: Material: Stainless Steel Size Chart: Tube diameter: 25mm/0.98inch,adjustable length: 40cm-50cm/15.75inch-19.69inch Package Includes: 1 Under The Sink Bracket Note: Please allow slightly errors due to manual measurement and different monitors.