CPV code 44421000 designates Armoured or reinforced safes, strongboxes and doors in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
44421000 sits under 44420000 (Goods used in construction) and groups 4 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.