Baldwin Reserve DCNEWXFEDLTSR049THK Double Cylinder New Hampshire Handleset with Left Hand Federal Lever and Traditional Square Rose For Thick Door with 6AL Latch and Dual Strike Matte Brass and Black Finish. Specifications: Category:Residential Locksets - Sub Category:Handlesets - Finish:Matte Brass and Black - Function:Double Cylinder - Series:Reserve - Design:New Hampshire Handleset with Federal Lever and Traditional Square Rose - Handing:Left Hand - Strike:Dual Strike - Backset:6 Way Adjustable Latch, 2-3/8" or 2-3/4" Backset - Additional Information: New Hampshire Handleset With Federal 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 ;