Thank you for your inquiry, Kristi! I have included the installation directions for this diverter assembly RP74810 below. I hope this helps.
Answered by: Delta Faucet
Date published: 2018-07-31
Size of Allen wrench required to replace RP74810 diverted for Delta T4759-FL tub filler?
Asked by: Jeff
Thank you for your question! This screw takes a 3/32" Allen wrench.