TorqueMaster ONE (TM1) dual spring set with left-hand and right-hand wound springs engineered for a 8 ft high garage door weighing 140-149 lbs. Built to match original Wayne Dalton factory torque specifications for proper lift, safe operation, and correct door balance. Always verify your spring label before ordering. TorqueMaster ONE (TM1) Spring Type: Genuine Wayne Dalton Original TorqueMaster ONE replacement spring featuring the rounded, externally splined winding end. Typically found on Wayne Dalton garage doors manufactured prior to February 2007. Not compatible with TorqueMaster PLUS systems. Direct Replacement Design: Engineered as a direct replacement for worn or broken Wayne Dalton TorqueMaster internal springs. Intended to restore proper lifting force, door balance, and smooth operation when matched to the original factory spring specifications. Engineered for Performance & Longevity: Manufactured for proper torque output, smooth winding, and long service life when installed correctly. Designed to restore factory balance on Wayne Dalton doors originally equipped with TorqueMaster spring systems, helping protect garage door openers from strain caused by incorrect spring sizing. Included Components: This listing includes genuine Wayne Dalton TorqueMaster replacement spring(s) only. Plastic sleeves and metal tubes are NOT included. 1 oz of Express Garage Doors brand spring lubricant, for garage door springs to reduce friction, minimize noise, and extend spring life with orders fulfilled by Express Garage Doors. Wayne Dalton TorqueMaster ONE (TM1) replacement spring components engineered to restore proper balance and lifting performance on Wayne Dalton garage doors originally equipped with TorqueMaster spring systems. This is designed for a 8 ft high garage door weighing 140 lbs, using a dual spring set with left-hand and right-hand wound springs. Correct spring selection is critical for safe operation, proper door balance, and long-term opener performance. Always verify your existing spring label and door weight before ordering to ensure compatibility. This listing includes replacement spring(s) only. Plastic sleeves and metal tubes are not included. 1 oz of Express Garage Doors brand spring lubricant, for garage door springs to reduce friction, minimize noise, and extend spring life. All components are engineered for proper torque output, smooth winding, and long service life when installed correctly, and are intended to restore factory balance and operation on Wayne Dalton doors originally designed for TorqueMaster spring systems.