Walker 2-1/8 Inch Steel Exhaust Clamp - 33218 Part #: 33218 Line: WAL Walker 2-1/8 Inch Steel Exhaust Clamp 1 Year Limited Warranty Clamp Type: U-Bolt Diameter (in): 2-1/8 Inch Material: Steel Nut Type: Hex Color/Finish: Natural Saddle Gauge (ga): 11 Gauge U-Bolt Diameter (in): 3/8 Inch Saddle Hole Shape: Round Show More Show Less