Salvage Drum Head Type Open Head Closure Type Bolt Ring Volume Capacity 55 gal. Material Steel UN Rating Solid 1A2/X426/S Packing Group I II and III of Hazardous Materials Gauge 16 Color Yellow Includes 12-ga. Bolt Rings And Rubber Gaskets Inside Dia 22-1/2 In. Overall Height 34-3/4 In. Interior Coating Epoxy Phenolic Load Capacity 55 gal Gasket Material Rubber Standards DOT 49 CFR 173.3 (c)