Manufacturer Part Number: 21LB0038|Clamp Type|C-Clamp with LocknutMaterial|Carbon SteelFinish|Load Capacity (Lb.)|Load Capacity (Lb. - 3 Decimals)|400Minimum Flange Thickness|Maximum Flange Thickness|3/4Minimum Flange Width|Maximum Flange Width (Decimal Inch)|Maximum Flange Width|Rod Size|3/8 inStandards|cULus Listed; FM Approved; MSS SP-69 (Type# 23); SP-58; UL - U.L.C. ListedMaterial Grade|For Channel|Raco Part Number|Conduit Size|Minerallac Part Number|Gedney Part Number|Unistrut Part Number|Maximum Outside Diameter Hose (Fractional Inch)|Number Of Pieces|Maximum Pipe Size (Inch)|Minimum Outside Diameter Hose|Minimum Pipe Size (Inch)|Product Service Code|UNSPSC Code|