Torsion Spring Winding Bars Home Depot. This torsion spring requires the use of two winding rods. It comes in a red finish with a 0.243 wire size and a 1-3/4 in. inside diameter. It features a left handed . Your Selection: Garage Door Part/Accessory Type: Torsion Spring.. L Torsion Springs in Yellow Left and Right Wound Pair for Sectional Garage Doors.. L Torsion Springs in White Left and Right Wound Pair for Sectional Garage Doors. Shop our