Marks USA - Series 9215AC - Ornamental Iron Mortise Lockset - Single Cylinder - Backset: 2-1/2" - Entrance - Bright Brass - LHR Knobsets R-Class(W251)

R-Class(W251)

He has watched the evolution of these key systems over the years

door or frame Fail Safe / Fail Secure Fail Secure

simplifying installation

Marks USA - Series 9215AC - Ornamental Iron Mortise Lockset - Single Cylinder - Backset: 2-1/2" - Entrance - Bright Brass - LHR Knobsets R-Class(W251)Marks 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.