S350-19 with 18 6 stamp

A home owner from San Diego CA says:
I have Milgard windows and need to replace 2 channel balances. they are marked 18 6 KV CMC 2 and are 18" long. look like your series 350 my sash weight is 24 lbs. Which of your balances matches?
A home owner from San Diego CA says:
I remeasured and it is 19".
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Tom from SWISCO responded:
Thanks for posting. We can make this balance for you, it would just have to be a special order since it has a unique stamp. Check out this Custom Channel Balance Request Form I've started for you based on your specifications and fill out the rest of the information. One of our representatives will get back to you with a price quote and an item to add to your cart.
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