Marks USA has been making mortise locks for over 30 years. From their introduction, our mortise locks have enjoyed a reputation for long life and their ability to excel in high traffic, high abuse areas. Marks USA mortise locks are engineered to provide years of maintenance-free performance. Our Nova Series Mortise Locks exceed 6 million cycles of continuous use.
Meets ANSI GRADE 1 specification: ANSI-A156.13
Underwriters Laboratories 3-Hour Fire Rating
BHMA Certified
Lifetime Mechanical Warranty
Available in 2-1/2" and 2-3/4" backset
Stainless Steel Bolts, Latches, Independent Lever Support Springs (on lever sets)
