Balance 2

A quick learner says:
I need special 5/8" diameter spiral balances. I believe they were red. From what I understand this is insufficient for a 50lb window. The scale I used could be off a pound or two, I would err up a little. The windows are 48" X 48" aluminium. Most if not all have broken balances. The tube lenght 45.5" end to end.

Thanks
A quick learner says:
Hi Tom,

No markings on the tube anywhere, actual tube or black cover. Attached are pictures of the tube and end. Black cover is 45.5", the actual aluminum balance is 46". (See picture) We tried two scales and came up with 46 and 46.5 lbs. Attached are two pictures showing the balance, one the complete balance and the other with the tape showing length. If you need anything let me know.

User submitted image of their window hardware.
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