Packing Includes: 4X V-Band Clamp, 8X V-Band Flanges (Male/Female), As the picture shown Both of the flange has a machined ridge for the exhaust pipe to fit into for perfect and precise welding This V-band clamp makes it easy to install and remove intercooler systems and turbo parts, such as charge piping, intake pipes, etc. Great for racers and tuners, these clamps make it easy to remove parts to gain access to vital components easily. Made of top quality stainless steel, high strength and toughness No instruction included,Professional installation is highly recommended Product Description 3" V-Band Flange Clamp Kit With Ridge - 4 PCS Description V-Band Clamps makes it easy to install and remove intercooler systems and turbo parts, such as charge piping, intake pipes and the like. Great for racers and tuners, these clamps make it easy to remove parts to gain access to vital components easily as there are no hard hard to reach bolts or special tools needed. Simply undo the clamp and you can remove the component easily. 100% Brand new, Never been use Made of T-304 Stainless Steel Flanges ID: 3 inch Clamp: 3.25" 83mm-93mm Availabel size: 2.5"/3" Quantity: 4Pcs Fitment - Universal Packing Include 4x V-Band Clamp 8x V-Band Flanges (Male/Female) As the picture shown Professional installation in highly recommended No instruction included Note Please understand, due to some factors, such as the different monitors and the different light circumstances, the colour of the real items will be a little different to the items in the pictures Please allow 1-3cm errors for the handling measure