1/2 x 1-1/4 Steel Torsion Springs (12 pcs.)
Описание
Diameter: 1/2 Length: 1-1/4 Material: Spring Steel Type: Torsion Spring Box of 12. A torsion spring is a spring that works by torsion or twisting. The amount of force (actually torque) it exerts is proportional to the amount it is twisted.
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