Trim Kit for 2-handle Shower Valve, Fit Delta Washerless Shower, Oil Rubbed Bronze Finish -By Plumb USA 38827 This is not a complete shower set. This is a trim kit only. It enhances the look of shower set but won't solve leaking issues. Convert your lifeless shower into classically elegant Oil Rubbed Bronze Finish All metal construction. Fit Delta 2-handle shower faucets with washerless cartridges. Cartridges shown in 5th picture, not included in kit. The sleeve diameter: the threaded part is 1" diameter(25cm),the opening on the other side 5/8"(17cm)