Single Cylinder Columbus Handle with Traditional Round Rose in Satin Nickel Finish Columbus Handleset with Ellipse solid forged brass construction. Available in Single Cylinder feature. Additional features available. Available with Ellipse knob shown and in Traditional Round with other interior features Reserve style knob, lever or rose rose that can be customized. This classic design to personalize your look is available in 6 finishes. Solid brass deadbolt latch with hardened steel finials for added strength and security. For door thickness 1-3/4" 2" up to 2-1/2" thick door with service part kit. Baldwin 5-pin C-Keyway standard. SMARTKEY Re-Key Technology optional. Adjustable backset lug pre-drilled for 2-3/8" (60mm) or 2-3/4" (70mm). Template only required when ordering lever with style. Features available: Single Cylinder, Double Cylinder and Dummy. Some of our product families have specialty features available. The specialty products listed below can be ordered through our showroom partners. Please refer to our catalog for full specialty product availability. Model Number Description DC.colxell.TRR.XXX Double Cylinder – Columbus Handleset FD.colxell.TRR.XXX Dummy – Columbus Handleset SC.colxell.TRR.XXX Single Cylinder – Columbus Handleset