Replacement coil balance and pivot shoes

A quick learner from Toronto Canada says:
Hey do you guys carry these or similar parts? I need a few coil balances and pivot shoes to match.
The pivot shoe is 1 1/4" wide at the base. I think it says "6" on the coil itself but it could also be a "9". Haha of course.
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Bob from SWISCO responded:

I believe this shoe might be an older version of our 15-228, but look over the dimensions and let me know if they match. If so, this shoe uses either our Series 160 1/2" thick springs, or our Series 165 3/8" thick springs. Compare both with your old springs to see which you need. 

Unfortunately, the '6 vs 9' issue is always a problem with coil balance stamps. The only way around this is to obtain the exact weight of the window sash that uses these coil balances. Give me that exact weight, and I'll work out what you need.

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