This 55 Gallon - Tight-Head Steel Drum has a UN Rating of 1A1/X1.8/300, with 2 inch and 3/4 inch NPS fittings. It is designed, manufactured, and certified to meet UN requirements for hazardous materials under DOT 49 CFR. Constructed of first-quality cold-rolled steel and supplied with chemical resistant epoxy-phenolic lining. Steel drums are environmentally friendly since they can be recycled or reconditioned and re-purposed. Meet UN Requirements for hazardous materials Protect the integrity and safety of your product FDA Compliant UN-Rated Steel Drums 55 Gallon Tight-Head UN-Rated Steel Drum - Black - Epoxy Phenolic <br><br> <li>Interior Dimensions:O.D. 23" x O.H. 34 7/8" <li>Interior:Epoxy-Phenolic <li>UN Rating:1A1/X1.8/300 <li>FDA Compliant:Yes <li>Container Features Container <li>Material:Steel <li>Container Size (gal.):55 <li>Container Type:Closed-Head Drum <li>UN Rated: Yes <li>Color:Black <br><br> The 55-gallon steel drum is designed, manufactured, and certified to meet UN requirements for hazardous materials under DOT 49 CFR with a UN rating of 1A1/X1.8/300. The 55-gallon drum is constructed of first quality cold rolled steel and supplied with chemical resistant epoxy phenolic lining and has 2 inches and 3/4 inch NPS fittings. The bung gaskets are made of black buna. Steel drums are environmentally friendly since they can be recycled or reconditioned and re-purposed. Meet UN Requirements for hazardous materials Protect the integrity and safety of your product Since by law you must comply with the specific closing requirement of your UN Rated container, choosing the right torque wrench for the job is essential. The adjustable dial and lock torque wrench has a 3/8 inch drive (SKU 8TR545) as shown below, or see our full line of torque wrenches and adapters in the drum and pail tools category. I