Premium Pipe Stretcher Kit Expand Pipes Effortlessly from 1-5/8"to 4-1/4" This exhaust pipe expander stretcher tool set is highly convenient. It features a 10-ton manual hydraulic system with a 4-feet hose for effortless pipe expansion. The collet sets can expand pipes within the range of 1-5/18"to 4-1/4", suitable for most vehicles. Wide Expanding Range Labor-saving Hydraulic Easy Installation Heavy-duty Convenient Storage Key Features Labor-saving Hydraulic System This muffler pipe expander operates via a manual hydraulic mechanism. It features a 4-feet high-pressure hose and a leak-proof oil cylinder. With a pressure output of 10 tons, it makes pipe expansion effortless. Heavy-duty Construction All collets of this exhaust pipe expander are made of Aluminum alloy, offering durability and long service life. The coated surface provides rust resistance. Wide Expanding Range The hydraulic exhaust pipe expander offers a wide range of collets, allowing expansion from 1-5/8" to 4-1/4". It