EATON B-Line Series U Post, Square Base Type; ASTM A1018/A653/B633 Steel Material; Zinc Electroplated Finish; 1-5/8 Inch Post Height; 7/32 Inch Thickness; Hot Rolled Pickled Oiled Process; 6 Inch L X 6 Inch W Pad Size; 1 Channel(S); 9/16 Inch Dia Channel Mounting Hole Size