Baldwin Reserve DCDELXCURLTRR260STHK Double Cylinder Del Mar Handleset with Left Hand Curve Lever and Traditional Round Rose with Smartkey For Thick Door with 6AL Latch and Dual Strike Bright Chrome Finish. Specifications: Category:Residential Locksets - Sub Category:Handlesets - Finish:Bright Chrome - Function:Double Cylinder - Series:Reserve - Design:Del Mar Handleset with Curve Lever and Traditional Round Rose - Handing:Left Hand - Strike:Dual Strike - Backset:6 Way Adjustable Latch, 2-3/8" or 2-3/4" Backset - Additional Information: Del Mar Handleset With Curve Lever ; Adjustable 2-3/8" Or 2-3/4" Backset ; 5-1/2" Ctc ; Solid Forged Brass Construction ; Limited Lifetime Mechanical Warranty and Limited 25 Year Finish Warranty ;