BAW1441 Features: Rope style rose Knob has 2.375'' backset Knob has 1'' square faceplate Knob has full lip strike plate Rose not included Rose has fully concealed fasteners Rose use with pre-drilled door Half dummy spindle requires one rose Half dummy spindle requires one handle or can be used for older baldwin handles Half dummy spindle available with or without threading Certified by Underwriters Laboratories (UL) for use on fire doors up to three-hour rating U L10C / UBC 7-2 (1997) Positive Pressure Rated, UL10B Pressure Rated cUL certified Construction: Solid forged brass construction Color/Finish: Satin nickel finish Dimensions: Knob fits standard 2.125'' door Overall Half Dummy Crystal Knob Dimensions: 2.63'' H x 2.75'' D Optional Rose Dimensions: 2.625'' H x 2.625'' W Optional Insert Dimensions: 5.4'' H x 4.5'' W x 0.1'' D Optional Half Dummy Spindle Dimensions: 1.8'' H x 1.5'' W x 1.8'' D Collection: Peyton collection