Mul-T-Lock Interactive+ Cronus High Security Grade 2 Single Cylinder Dead-Bolt

High Security Dead Bolt - key cylinder is drill, pick and bump resistant, unlike the cheaper version (Junior) Mul-T-Lock Deadbolt. Fits doors from 1-3/8" inch to 1-3/4" inch. Includes two (2) Mul-T-Lock Interactive Plus keys and one key duplication card. Drill, pick and bump proof High Security Mul-T-Lock cylinder. UL Fire rated, ANSI Grade2- Mul-T-Lock is a ASSA ABLOY Group Brand. Additional keys can be ordered after receiving the lock using the provided Key Duplication Card.