【Material】Torsion Spring Winding Bars are made of steel, equipped with anti slip rubber handle for secure grip
【Size Information】Torsion Spring Winding Rod (length) measures approx 44cm/17.32inch, diameter approx 1.2cm/0.5inch
【Professional Tool】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
【Application】Solid Steel Metal Winding Bar Hardware can be used for unwinding and winding torsion springs, great for adjusting the torsion spring to keep balance the weight of a garage door
【Essential Tool】Steel torsion rod allow you to safely perform torsion spring replacements and adjustments without worrying about keeping the spring tension under control