Introductions: This item is essential while you want to fix your damaged tail pipe or muffler. It is very easy to use, just select the correct size expander for your pipe and then insert it in the damaged pipe end, then turn the expanders turning bar till the dents are removed and the pipe is round again just like it used to be.Features: 1. Brand new and durable 2. Easy to use 3. High strength and good toughness 4. 3 different sizes make it almost suitable for all kinds of pipes 5. Used for exhaust system repair and installation 6. Come with a red plastic box which makes it portableSpecifications: 1. Small Expander: 1-1/8" to 1-3/4" 2. Medium Expander: 1-1/2" to 2-1/2" 3. Large Expander: 2-1/8" to 3-1/2" 4. Color: Gray & Black 5. Dimensions: (11.02 x 7.87 x 2.56)" / (28 x 20 x 6.5)cm( x x) 6. Weight: 6.61lb / 3kg Package Includes: 1 x Small Expander 1 x Medium Expander 1 x Large Expander Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.