We offer FREE EXCHANGE for dissatisfaction Feature』: Zinc alloy, backset 1-1/8, five-ply laminated steel hook deadbolt, double cylinder. - 1pcs 1-1/8 Backset Hook Tongue double cylinder indoor and outdoor & Package : - 1pcs 1-1/8 Backset Hook Tongue double cylinder indoor and outdoor - 1pcs solid five-ply laminated steel deadbolt - 5pcs keys - 1pcs wrench and attached screws & Size : - Overall Length 6-7/8(175mm) / Width : 1-1/6(30mm) - Backset : 1-1/8 - Deadbolt : Throw 1-1/2(38mm), Width 1-3/8(35mm) - Face plate : Length 4-7/8(125mm), Width 1-1/6(30mm) - Door's thickness : 1-3/41-13/16(44~46mm) Notes : Maybe slight dimension difference due to different manual measurement. Storefront Door Mortise Lock 1-1/8 Door Locks with Backset Deadbolt & Double Keyed Cylinder Combo Lock Aluminum Storefront Door Mortise Lock Swing Deadbolt, Commercial Door Locks with Double Cylinder Deadbolt, Door Lack Replacement Parts for Storefront Entry Doors (1-1/8inches Backset),1-Year After-Sale, Deadbolts - Canada 『After-sales Service』: Any questions, please contact us anytime, we'll quickly response to service for you. Buy UpJia Flarish Door Lock - Mortise Deadbolt - Commercial Storefront Door Lock - Double Cylinder DeadBolt 1-1/8 inches Backset Hook Tongue for Security Entry of Home C80 at 『Application』: Wide Application for storefront doors like sliding doors, framed doors, wooden, glass or aluminium alloy doors with thickness 1-3/4~1-13/16 (44~46mm) NOTICE:If you need more keys, you need to customize them in advance or seek local locksmith,key store or hardware store.