Need to identify my coil balance

A quick learner from United States says:
Please help me iedntify the parts that I need to replace this. Thank you!
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Paul from SWISCO responded:

Please see our 15-180 pivot shoe, 15-181 double spring support, and 15-182 bushing. For the spring itself, see our Series 190 coil balance. You'll need the number off the old spring to confirm the best Series 190 option.

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