V-band to get a nice and secure joint for aluminum tube. Example of applications include pressure pipe, compressor housing, turbocharger, intercooler and throttle bodie to name a few. The V-band kit consists of a clamp and two welding flanges. One welding flange has two integrated o-rings that form a tight joint when mounted to the other welding flange. The clamp is fitted with two stainless steel hexagonal bolts, but only one need to be removed if you want to remove the clamp during service. Measurement : Width: 46mm - The v-band clamp is hard anodized, making it extremely resistant to external impact. - Very good weldability. - Perfect fit.