Marks USA, a trusted source in some of the largest school districts across the country, including Los Angeles Unified, created LocDown™ security mechanical locking solutions for every educational building, door, application and budget. LocDown™ Classroom Intruder Locksets easily and economically retrofit any standard lock, but in an emergency, allow the teacher to lock it down with a simple key, safely from inside the classroom. Available in cylindrical or mortise with exclusive Marks Lifetime Mechanical Warranty.
For more, visit www.marksusa.com.