spring loaded balances

Some sliding/tilting windows in my coop apartment had their pivot shoes break, and I need to replace all 4. They are regular spring loaded, not spiral, from what I can tell. I can't quite decide between the 9/16" and 5/8": what I measured looks like the thickness is kind of in between.

So I would like to buy 4 of your 15-047 and 4 of 15-121; the pivot bars look like your 26-040, and the shoes that broke look like the 15-121 but have the blue brake instead of your red one (at least the three which broke do; the sole remaining one has a white brake so looks like 15-047, but I couldn't measure it as I didn't take it out). Also, as the shoe broke, the spring shot up, so I'm looking for a tool to pull those anchors out of the tube - they are sticking out but the plastic is in the tube, and takes some effort to pull it out; would your charging tool 75-033 work for that? I am ready to place the order any time. Thank you! Anton