There is no need to locate and prepare the center mounting pad with this system. EZ-Set Torsion Conversion Kit For 16 Ft. X 7 Ft. Garage Doors 191 Lbs. - 211 Lbs. Converts your torsion spring system into an easier installation.
This system was so easy, it took me about 3 hours by myself to install. I had heard stories of people getting hurt by the winding springs, this system has NO worries with injury. The directions are a breeze.