Product Description: 5215.150.ENTR Features: -Satin nickel finish. -Knob has solid forged brass construction. -Knob has adjustable latch for 2.375 and 2.75'' backsets. -Knob has full lip strike plate and 6 pin cylinder. -Knob has emergency exit function that always retracts latch for immediate exit. -Knob fits standard 2.125'' door prep. -Knob has adjustable backset. -Knob requires door thickness of 1.375'' - 1.75''. -Rose has fully concealed fasteners. -Rose is available in pair. -Use rose and adaptor with pre-drilled door. -Passage and privacy latch includes standard box strike and dust Box. -Lever latches use heavy duty springs. -Privacy button and emergency release key included with privacy latch. -Use lever latch for lever x knob and x lever. -Use knob latch for knob x knob. -Adaptor is designed to fit existing 2.125''door prep. -Use adaptor with 2.625'' or larger rose. Specifications: -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. -Overall Contemporary Keyed Entry Knob Dimensions: 2.61'' H x 2.61'' W x 3.408'' D. -Optional Classic Rose Dimensions: 2.625'' H x 2.625'' W. -Optional Backset Passage Latch Dimensions: 4.1'' H x 2.5'' W x 1.2'' D. -Optional Estate Privacy Latch Dimensions: 4.1'' H x 2.5'' W x 2.5'' D. -Optional Adaptor Dimensions: 2.313'' H x 2.313'' W. -Optional 2'' Oval Doorbell Button Dimensions: 2'' H x 1.125'' W. -Optional Rectangular Doorbell Button Dimensions: 2.25'' H x 1'' W. -Optional 3'' Oval Doorbell Button Dimensions: 3'' H x 1.688'' W. -Optional Round Doorbell Button Dimensions: 1.75'' H x 1.75'' W. For more information please view the sheet(s) seen below: Contemporary Keyed Entry Knob in Satin Nickel Specification Sheet Estate Privacy Latch Specification Sheet Estate Privacy Latch in Satin Nickel Specification Sheet Keyed Entry Installation Guide