The T&S Brass 009538-45 Split Swivel Washer is designed for optimal performance in faucet applications. With a 3/4" inner diameter and a 1" outer diameter, this durable plastic washer ensures a secure fit and reliable sealing. Its split design allows for easy installation and flexibility, making it an essential component for maintaining faucet functionality. Ideal for both commercial and residential use, this washer enhances the longevity and efficiency of your plumbing fixtures.