10 Pack of 4" Easy Seal Flatband Exhaust Clamps with Pre-Attached Hardware. The Simple, Effective Way To Connect Exhaust System Components -- Replaces U-Bolts and Clamps!!!. Fast, Easy, and Accurate Installation -- There's No Need To Separate Pipes or Exhaust Members Before Clamping. Exclusive Reaction Block Creates a Complete "Inner Circle Seal" When Clamp is Secured. Pre-attached Hardware For Fast, Easy and Accurate Installation. Bright-Finish, Completely Rustproof Stainless Steel Band For Long Life. Unique Design Means Maximum Sealing -- Minimum Leaks and Noise..