inside insert for tilt spiral

A quick learner from Courtland, VA says:
October 10, 2017
Spiral tilt window balancers are shot. At the top of the tube is an inside insert that was held in place by the open metal rivet where the end of the spiral slips into. This was made of plastic.

Do your units have a metal collar, or a plastic collar?

28-3/4 length (29" replacement); 3/8" diameter.
Tip color is very light green
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Tom from SWISCO responded:
October 13, 2017
We offer a 3/8" metal tube spiral tilt balance, the S900-29, with a green nylon bearing tip and a 29" tube. Please compare size to see if this will work for you.
A quick learner from Courtland, VA says:
October 13, 2017
The question was: Are there metal inserts in the TOP of the tube. The insert has a vertical slot where the top of the spiral (which is straight, not twisted) slips into. The top of the insert has a hole where the set screw goes through and holds the insert in place.
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Paul from SWISCO responded:
October 16, 2017
There is no metal insert in the top screw-way of our Series 900 balance, because the balance tubes are already metal.
Spiral Balance Charging Tool for Tilt Windows
Spiral Balance Charging Tool for Tilt Windows
75-006
$9.97
29" Series 900 Spiral Balance
29" Series 900 Spiral Balance
S900-29
$9.15
How to replace a tilt window spiral balance.
How to replace a tilt window spiral balance.
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How to Identify a Replacement Spiral Balance
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How to adjust a spiral balance on a tilt window
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How to choose the proper spiral balance tip color
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