Works great, easy to assemble (5 minutes!) Fits right. (I have a 2010 JK Unlimited). I should have bought them a few months ago. Don't live with a weak rear window!
Pros
PURPOSE - Use the compressed gas contained in the cylinder and compressed by the piston to generate a force to support the weight of the bonnet or tailgate and tailgate. When they're open you don't have to hold the door with your head