Balance 1600-17 L10/1427 11/87

A home owner from USA says:
I need to know what balances I need. The numbers on the balances are 1600-17 L10/1427 11/87. Which balances do I need?
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Tom from SWISCO responded:
Thanks for contacting us. We have found a possible match for these balances and are currently waiting on them to come in. I will let you know when they are available!
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Tom from SWISCO responded:
Alright, please see our new 24-R14-1027 and 24-L10-1427 Andersen sash balances. We believe these will match the stamp you gave us.
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