The simple, effective way to connect exhaust system components. Replaces U-bolts and Clamps. Patented design makes for fast, easy and accurate installation - there's no need to separate pipes or exhaust members before clamping.Available in standard industry size from 2" through 62 and metric equivalent. Exclusively developed fastening system, includes force bars, bolts, nuts and patented reaction block, creates the power to strech the clamp band tightly around exhaust members. The reaction block provides a full 360 deg equal distribution of stretching forces, prohibiting pipe distortion while completing a seal around the joined exhaust components.