This complete double-walled furniture safe is a high-quality, anti-theft, fire-proof construction, with a 3 mm thick door leaf. It also has a full perimeter fire-resistant lip together with finest top quality fireproof insulation throughout the entire body & door. Exterior 3 mm, interior 2 mm, door 40 mm. Double bit safety lock with lock protection tank made from manganese steel, two keys, repeated strong pin interlock. Substance powder coated anthracite.