After lubricating the threads it was incredibly easy to install and use. Has worked flawlessly. An added bonus is the bearing mounted in the black knurled grip which makes turning the bolt under pressure a lot easier. Great tool.
Pros
β Adjustable from 20.3 to 29.7 cm (8" to 11.7"), the safety bar uses strong, powerful springs to prevent accidental release of pressure while you work; The hooked jaws of the suspension spring tool are angled and have detents for increased safety.