The T&S Brass 001003-45 is an internal tooth lock washer for faucets. It is corrosion-resistant because it is zinc-plated steel, making it last longer. This T&S Brass 001003-45 Internal Tooth Lock Washer is 1/16 inch thick with a 1 13/16-inch outer diameter. Its inner diameter is 1 5/32 inches. It is easy to install and it is very useful in keeping your faucets in excellent working condition. It simply replaces the ones that come with your purchased faucet. The T&S Brass 001003-45 Internal Tooth Lock Washer has a limited one year warranty. For more details, you can refer to the specification sheet. T&S Brass provides high quality solutions for the food service, plumbing and institutional markets with exceptional customer service.