Heavy duty all stainless ashtray is ideal for Pedestrian common areas. 18 gauge stainless steel, 304, # 4 brushed finish (18 and 20 GA. On code 908). secured with tumbler keyed Lock. door is hinged with full length stainless steel piano hinge. offset mounting bracket keeps unit 5/8″ away from wall for extra fire insulation. corrosion resistant galvanized steel (22 GA.) inner liner with baffle opening. Liner capacity is 1 liters (0.25 us gallons).