LISTING INCLUDES: 1 x Hydraulic Pipe Expander 7 x Collet 1 x Drive Expanding Tool 1 x Bearing Set FIT FOR: This product is a universal automotive repair tool, not designed for specific vehicle models. With its built-in hydraulic pump, it can only expand thin-walled automotive exhaust pipes (1mm-thick pipes: stainless steel, aluminum, or iron), with outer diameters ranging from 1-5/8" to 4-1/4". It is not suitable for thick-walled steel pipes, solid metal caps, or high-strength thick pipes. Overloading may cause the screw rod to stretch, the threads to strip, the pipe mouth to deform, or the hydraulic pump to fail. .