FIR41831CPA 4-Drawer Vertical File, 17-3/4w x 31-9/16d, UL 350� for Fire, Letter, Parchment Impact resistance ensures protection against a 30-ft. drop or collapsing ceilings. Water-resistant-designed to prevent water damage resulting from sprinklers and fire hoses. Lock keeps contents safe. Drill- and pick-resistant high-security key lock.