The American Standard 603111-0030A is a durable, easy-to-install locking device kit. Included in the package are the following: a rubber washer, a hold-down bracket, tamperproof screws, and a hex key. This stainless steel 134-SLT tank cover is 5.5 inches deep, 1.2 inches high, and 2.6 inches wide and comes with a limited 1-year warranty. For over 130 years, American Standard has been one of the top producers in high-quality designs and innovative bathroom and kitchen products, which have been tested and proven great through 13 decades of experience. The American Standard 603111-0030A is one of the amazing American Standard products that you can purchase from PlumbersStock.com - which is the perfect place to shop when looking to complete any residential or commercial project.