Aluminum window balance ends

A contractor from Lexington SC says:
Hello, looking for replacement plastic pieces that attach to the window balances. The balances are 3/8" diameter x 16" long. Please let me know if you carry the parts.
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
That white nylon balance shoe was an old discontinued part that has since been replaced with the 15-020. I wouldn't be be concerned about the width, the depth is more important. If you need new balances, we can custom make them for you. I would just need the weight of the sash these balances support. I would also need to know how many you were looking to order.
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