This kitchen sink soap dispenser is made of high-quality and durable 304 stainless steel and PE plastic. The pump head has long-lasting performance and remains reliable after more than 50,000 pressing tests. It has excellent waterproof performance and is not afraid of humid environments. With a unique 47 in. extension tube design, it can be directly connected to the original large-capacity dish soap bottle, allowing you to say goodbye to the cumbersome trouble of refilling the small soap dispenser from the top every week. The 4.3 in. long threaded shaft can easily pass through most deep countertops, such as marble, stainless steel, and wood. It is not only suitable for kitchen sinks but also very suitable as a bathroom countertop soap dispenser. You don't have to worry about the thickness of the countertop at all. The installation process is easy and convenient. You can complete the installation by fitting the extension tube into the soap dispenser in an instant.