RP51503 Features: Application: -Bathroom faucet/Bathroom sink. Product Type: -Bonnet/Nut. Finish: -Brass. Dimensions: Overall Height - Top to Bottom: -1.5". Overall Width - Side to Side: -1.5". Overall Depth - Front to Back: -1.5". Overall Product Weight: -0.03 lbs.   Genuine Delta Repair Part.