Window channel balances

A quick learner from USA says:
The marking for the window is H-LC30-48x78
Series: 6210/6230/6230J/6270

The length of the channel NOT including shoes at either end is 25.75", the width of the channel is 9/16", the depth of the channel is 5/8"(these are all OD measurements).
There is a stamp on the bottom rear of the channel 25 5.
The bottom shoe appears to be item# 15-004 as the depth is 1-3/32". there is a patent number 6598264
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for contacting us. We will be able to make this balance for you, though it will be a custom order. Before we begin, can you just tell me how many you need? Once we know that we can send you a custom order form and price quote.
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