It is engineered fromalloy for strong strength and long durability, and it is hard-wearing This is an for, which can automatically adjust and tighten to remove ranging in size from 50mm to 180mm Moredurable and handy to remove, and it will not damage your carand hurt yourself It is easy to use and operate, and it will automatically adjusts and tightens as you apply Comes with 3 jaw for catching and it makes the work easy, Manufacturer: fexxkg