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Featured Products by Marks

Mortise Locksets Enjoying a reputation for long life and their ability to excel in high traffic, high abuse areas, Marks Mortise locks are engineered to provide years of maintenance-free performance. The Protector Series Mortise locksets have a lifetime mechanical warranty, meet or exceed all operational and security tests of ANSI A156.13-2002 for Series 1000, Grade 1. Protector Series Locksets are UL listed, 3-hour fire rated and meet ADA requirements.
Cylindrical Locksets Marks’ Cylindrical locksets are designed for use in situations where durability is the deciding factor. Cylindrical lock chassis are all constructed with cast retractors on bronze roller bearings. This strong, durable component gives the cylindrical sets the ability to last millions of cycles and is available in knob and lever sets.
Electrified Locksets Ideal for access control applications, activating the inside lever for egress initiates the built-in REX (Request to Exit) output, providing a momentary signal for the access control REX input for alarm shunt during egress.
Marks Metro Mortise Lockset 91A Series Entrance Mortise Lockset
Tubular Locksets Marks’ Tubular locksets are available with the same trim as supplied on our Mortise locks designs. These sets feature heavy duty solid brass or stainless-steel trims that feel substantial and comfortable to the hand.
Deadbolts/Deadlatches Marks manufactures a versatile series of Grade 1 Deadlatches and Deadbolts which install easily and accept most other manufactures conventional, high security and IC Core cylinders.