Lockable 60 Key Holders Storage Steel BoxLockable 60 Key Holders Storage Steel Box. Size: 300 x 240 x 75mm. This key box lock is designed as a key lock type, with a zinc alloy lock cylinder, durable, easy to open and close, and easy to operate. It is equipped with 2 keys, one for daily use and the other for backup. After the keys are stored, how to correctly distinguish the key types? We are equipped with hooks and colored labels , and the labels can be written on, clearly distinguishing the