CPV code 44421700 designates Boxes and lockers in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
44421700 sits under 44421000 (Armoured or reinforced safes, strongboxes and doors) and groups 4 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.