Walker 3-1/2 Inch Stainless Steel Exhaust Clamp - 33273 Part #: 33273 Line: WAL Walker 3-1/2 Inch Stainless Steel Exhaust Clamp 1 Year Limited Warranty Clamp Type: Lap Joint Diameter (in): 3-1/2 Inch Material: Stainless Steel Nut Type: Hex Color/Finish: Natural Saddle Gauge (ga): 25 Gauge U-Bolt Diameter (in): 7/16 Inch Saddle Hole Shape: Round Show More Show Less