Crane Pre-war Shower and Concealed Deck Valve stem. 5-5/16″ overall length. 3/8″ diameter. Fits all Criteron & Rival concealed bath valves, Telsa, Agilis, and Rival Wall sinks. If the escutcheon is retained by a chrome knurled nut, this is your shower stem. Same stem for hot and cold. No trim available.