Trine's 3478 electric strike is only 111_16 in.-by-11_16 in., making it ideal for masonry-filled frames as well as narrow alumium frames. The minimal 1-in. backset allows installation without removing most dust boxes. The 3478 also has 1,200 lbs. of holding force, meets 500,000 life cycles and is available in a variety of finishes.
3 Bethesda Metro Center, Suite 1100
Bethesda, MD 20814
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