Duluth Lock & Key

Looking for a high security lock? Restricted keyways can prevent unauthorized key duplication. ASSA locks are one the most trusted in the security industry.

Detention locks for correctional facilities, patented key systems, high security door locks | ASSA Lock ASSA specializes in patent protected keys, high security locks, and is the preferred manufacturer of mogul cylinders and master key systems for the detention industry.

Helping youth by raising money for scholarships. Investing in tomorrow!

Don’t forget to “SPRING FORWARD” this Saturday night (3/9/24) before you go to bed.