The Danco Bolt Style Sink Hole Cover is used to cover unsightly holes in the sink when the spray head or soap dispenser is not in use. The 1-3/4 in. O.D. covers most standard size sink holes. The stylish chrome finish will complement your existing fixtures and give an elegant feel to your kitchen.The durable plastic construction provides a reliable and durable performance. This sink hole cover is easy to install and requires no tools to install.