1)all the parts are interchangeable to Ridgid 2)cheap price 3)CE approva. 4)non sparking Steel pipe Sch 10/40, ranging 2 1/2"-6", 8"-12" Motor: 750W, induction type Speed: 24RPM70005: 2"-8"70006: 2"-12"This machine can cut pipes without any dust and spark, suitable to be used in oile field and gas environment. metal pipe cutting machine