The TVH.4101E extension kit consists of a diverter handle extension and a temperature handle extension. This extension is to be used with the Isenberg TVH.4101, TVH.4420F, TVH.4301F, TVH.2693, TVH.2717F and TVH.2705F valves. It is used when the valve is installed too deep into the wall and the handles need to be extended out further. The extension measures 1.4” in length. A separate finish cover may be needed [not included] to cover the exposed brass part of the extension on the diverter handle. The part number of this finish cover is the TRM.TVH.0211** where ** denotes the appropriate finish.