Domed Drum Lid Use with 55-gal. drums. Rust-resistant, galvanized steel. Adjustable thumb screws assure a tight fit. Self-closing contoured door with rubber pads for quiet operation. Meets OSHA requirements. FM Approved and CSFM Listed when used with steel drums. Minimum 30% recycled steel, 100% recyclable. 24-1/2 diameter x 11-1/2h. Shpg. wt. 12 lbs. UPS-shippable at oversized carton 30-lb. rate.