Our ARTICONA brand delivers high-quality and reliable IT products at a price that won't blow the budget to boost workplace efficiency. This ARTICONA security lock set helps to effectively secure your IT devices and protect them from theft. Incl. 2 keys for each individual lock. Includes a master key for all locks. When re-ordering, the customer receives the same set again - same locking system and same master key. Please note: Master key cannot be reordered. The diameter of the lock head is 11.6 mm. Includes: 25 locks, 1 master key.