Kinro window #68740. Balance rod. 3/8 x 29"

The specifications from your spiral balances match the S900-29. Although, yours seems to have a black tip, which is not available for our replacements.

To determine the tip option needed for your repair, you'll need to confirm the exact sash weight. There is a chart below the product description of the balance that lists the weight ranges each color can support.

Guide: How to choose the proper spiral balance tip color

If you are in search of a replacement for the pivot shoe, I'll need to know the measurement for the width and the thickness of the existing one. There are two video tutorials, tagged below this thread, with instructions for removing/installing them.