Corbin Russwin Y | Sargent TR | Yale R8 Specifications 2-3/16" (55.56mm) Rose Specifications: CORBIN RUSSWIN Y Rose (Mortise) SARGENT TR Rose (Mortise) YALE R8 Rose (Mortise) Close You may also like Corbin Russwin J | Sargent R Corbin Russwin W | Sargent CR | Yale R7 Corbin Russwin U | Sargent CO | Yale R4