Marks USA - Series 21AC - Ornamental Iron Mortise Lockset - Double Cylinder - Backset: 2-1/2" - Entrance - Bright Brass - Optional Handing Choose Handling:Right low battery and stuck switch

low battery and stuck switch indication

90 Day Manufacturer's Warranty

Surface-mounted for single or double doors COVER

68225803AB

Marks USA - Series 21AC - Ornamental Iron Mortise Lockset - Double Cylinder - Backset: 2-1/2" - Entrance - Bright Brass - Optional Handing Choose Handling:Right low battery and stuck switchMarks USA has been a primary manufacturer of Ornamental Iron Storm Door locks for many years. During that time, many innovative improvements were developed to increase the reliability and ease of installation. Innovations includes the "Uni Lock" model with single screw assembly, elimination of threaded swivel spindles in favor of the more secure thru bolted design, helper springs in lever rose sets, and steel hubs for greater endurance.