Wayne Dalton Torquemaster One Convert To Torquemaster Plus 7’ 81#-90# 1 Springs
The TorqueMaster Plus springs have a hexagon winding end with groves, are generally plastic ( not always), and were made generally after February 2007 (Not always). Your TorqueMaster tube (not included) contains a significant amount of factory information including the weight of the door.
Wayne Dalton Garage Door TorqueMaster One TorqueMaster Plus Replacement Springs
How to Identify TorqueMaster Plus vs. TorqueMaster One. TorqueMaster Plus Spring Winding End: Easily identified by its hexagon shaped end. Typically TM+ Springs are found on doors manufactured after February 2007.