U Bolt; Applicable Standard ASME B31.1, WW-H-171 Type 24, MSS-SP-69 Type 24, BSPSS-BS3974; Type Round Bend; Inside Width 12-7/8"; Nominal Diameter 7/8"; Thread Length 4-1/4"; Center Distance 13-3/4"; Material Carbon Steel; Finish Electrogalvanized; Capacity 9960 Lb at 650 Deg F, 7016 Lb at 750 Deg F; Pipe Size 12"; Includes (4) Hex Nut; Tangent Length 9-5/8"; Application Commercial, Industrial, Pharmaceutical, Petrochemical, Hospital; Weight 7.7 Lb; Warranty 1 Year Limited