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Spring, Torsion Spring,5pcs 2mm Stainless Steel V-Shaped Torsion Springs, 15mm Outer Diameter Hairpin Springs, 45/60/90/120/180/270° ( Color : Wire Dia x OD-Turns-Angle , Size : 2x15mm-1 Turn-45° ): : Tools & Home

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How to Measure a Torsion Spring