Coil Balance Help

A quick learner from Boise, Idaho says:

Broken springs 1/2 in wide with #7 stamped on spring. Window size is 46"wide x 32" tall, double pane glass 

One picture is the unbroken side and other photo is the broken parts removed from the bad side. Spring is 1/2 " wide with #7 spammed on it. What replacement parts do I need to order? Thanks

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Bob from SWISCO responded:

Check out our 15-140 Pivot Shoe. This uses our Series 150 Coil Balances; a stamp of 7 indicates you'd need the S150-7 7 lb spring. Let me know if you have further questions. 

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