Bought this to change out springs on our Honda Talon SxS and it worked well. There were no instructions on assembly but it is fairly self explanatory. I had to swap the two little "hooks" that hold the springs to get it to work correctly. It holds the spring compressed automatically which is a nice feature. Over all a very good value compared to more expensive units and saved me a lot of money verses taking it to a shop that charges over $100 an hour!