To answer the challenge of security and life safety in today’s classroom environment, MARKS USA Custom Lockset Division has developed the Loc-Down™ Classroom Intruder ANSI/BHMA F110 Function Leverset ...

The Classroom Intruder Cylinder Lock from PDQ enables school staff members to check the locked/unlocked status of a door with an LED indicator, avoiding the need to open the door in order to check the ...

YADKIN COUNTY, N.C. - While lawmakers are busy trying to protect school kids at the legislative level, a Piedmont couple is doing their part on the ground level. Amy Rankin is the principal at ...

Marks USA of Amityville, N.Y., a NAPCO Security Systems company, releases the Loc-Down classroom intruder ANSI/BHMA F110 function leverset with clutch design. It incorporates all of the standard ...