1、APPLICATION: This pipe socket saver is designed to remove plastic pipes from the wheel hub, cut ABS or PVC DWV pipes under the plate, and easily remove broken pipes from the wheel hub without frequent replacement. 2、MATERIAL: Made of premium high speed steel material, our pipe socket savers set are durable and will not easily break or fade, so they can withstand a large amount of use. 3、SAVE TIME AND EFFORT: With our socket savers, you don't need to replace the entire pipeline, just cut the internal parts. Completing the project faster saves time. 4、EASY TO USE: Simply install our pipe cutter on the electric drill, install it in the pipeline, and then open the electric drill. 5、4PCS: There are 4 pieces plumbing fitting saver bits in the package that can be used respectively to meet your different needs, use at will!