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> Master 6121D pro series lock
Master 6121D pro series lock
Lock Functions in All Conditions
1. Pick resistant Pro Series 5-pin tumbler cylinder
2. Cut resistant boron alloy 5/16" (8mm) shackle
3. Pry resistant dual deadbolt locking mechanism
4. Heavy steel body withstands physical attacks
5. Removable cylinder can be replaced or repinned
