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The FSB Mini Mortise Deadbolt (MDD) is a UL Listed mortise deadbolt manufactured in the United States. Built using a heavy-gauge steel case, the lock features a stainless steel deadbolt. The lock is backed by a 1 year limited warranty.

Federal Specifications
C-UL-US Listing

Product Series

Premium Series



The Premium Series contains two base materials, naturally finished stainless steel and bronze designs. Because of the cost of these base materials, products within the Premium Series are normally more expensive than the same products within the Elements and Transitions Series. Both metals have unique qualities and offer significant benefits such as durability and resistance to erosion.

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Elements Series



The Elements Series utilizes aluminum as its base metal and our state-of-the-art anodizing capability which allows us to offer an assortment of rich, yet rugged colors as well as powder coated options. Aluminum is a high-end material that is not only lightweight but durable. Aluminum is used in an array of high-end applications such as apple products, ferrari engine blocks and Ford truck chassis.

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