Thick Tile Mounting Kit - Roman Tub in Chrome

Thank you for your question. Here are the dimensions for the escutcheon of this part: Outside diameter: 3" Inside diameter: 1.32" Height: .67"

Thank you for your question. It is possible that your Delta Faucet model # RP18543 may have mineral deposits holding it on. We recommend using a 50/50 solution of white vinegar and water and soaking a towel over the peice. You may need to soak it overnight to loosen the mineral deposits.

Hi Drcandy, Thank you for your question. The RP18543 is a right hand thread. Thanks, Dave

Hi Jerry, Thank you for your question. This base is 2 1/2" in diameter. The largest base that we have available is the RP7277 (2 3/4"). http://www.deltafaucet.com/repairparts/details/rp72722.html Best regards, Jon

Hi, DanO! Thank you for your question. The measurement for the RP18543PB has an outside diameter of 3" and an inside diameter of 1.32". Best Regards, Rosanna

Hi Mark, Thank you for your question! The rp18453 is only available in Chrome or Polished Brass finish. Best regards, Brandis

Hello John L! Thank you for your question and we are happy to help. We apologize for this information not being readily available to you. The Delta Faucet Thick Tile Mounting Kit - Roman Tub In Chrome MODEL#: RP18543 o-rings cannot be purchased separately. With any further questions or concerns, please do not hesitate to reach out to us directly. Thank you for being a loyal Delta Faucet customer. Best Regards, Carrie