Exhaust Tail Pipe Hose Muffler Expander Spreader Tool Kit 1-1/18″ to 3-1/2″ To remove clamp dents in mufflers or tail pipes – reshape and expand connection For exhaust system repair and installation Package Include: 1x Small Expander: 1-1/8″ to 1-3/4″ 1x Medium Expander: 1-1/2″ to 2-1/2″ 1x Large Expander: 2-1/8″ to 3-1/2″ 6x Extra O-Rings 1x Carry Case As Picture Showed. Using Tips: Insert The Expander In The Damaged Pipe End, and Turn The Expanders Turning Bar Till The Dents Are Removed Note: No Instruction Included Please feel free to contact us for whatever we can help. Box Color: The color of the box is random