Heavy-Duty Silver U-Bolt Exhaust Clamps - Suitable for Expanded Pipes, Available in Sizes from 1 Inch to 6 Inches

C01 - 1 1/8" (29mm) C02 - 1 1/4" (32mm) C03 - 1 3/8" (35mm) C04 - 1 1/2" (38mm) C05 - 1 5/8" (41mm) C06 - 1 3/4" (45mm) C07 - 1 7/8" (47mm) C08 - 2.00" (51mm) C09 - 2 1/8" (54mm) C10 - 2 1/4" (57mm) C11 - 2 3/8" (60mm) C12 - 2 5/8" (66mm) C17 - 3 1/8" (79mm) C18 - 3 5/8" (92mm) C19 - 4 1/8" (105mm) C20 - 4 5/8" (117mm) C21 - 5 1/8" (130mm) C22 - 5 1/2" (139.7mm) C23 - 6" (152mm)