PRIME-LINE Torsion Winding Tools Recommended for Adjusting or Replacing Garage Door Tension Springs - 1/2” Diameter x 16” Long Round Steel Rods, Blue

WIND AND UNWIND SPRINGS ? The pair of torsion spring winding rods are specifically designed for increasing (winding) and decreasing (unwinding) the tension on residential garage door torsion springs. DIMENSIONS ? Garage door torsion spring winding rods are 1/2? in outside diameter and 16? long. They are designed to industry standard for ?residential garage door use. WINDING CONES USAGE - Winding cones should be wound and unwound 1/4 turn at a time. Torsion spring rods are not for use on winding cones larger than 33/64" in diameter. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.