What the heck is this?

JDMopar said

Yep, and a box of the little push in spikes that held the glass in place while you puttied the perimeter of the window back. You also had to know how to get the sides of the window frame off to put a new rope on the weights that held the window open, after the old rope rotted in two and the weight fell into the bottom of the window frame...lol. Ah, the good ol days. :)

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Dont forget that putty knife with V type blade for the glazing compound LOL. Come to think of it, I have one somewhere
The weights in window pockets, yes I remember that well. Most of mine were replaced with chain.
Now, ive heard that guys who went deep sea fishing for tile fish would use those weights for sinkers, dont know if thats true but its what I heard
In my old house back in the day the hot setup was take out the parting strip between windows, take out the windows and install them back with these aluminium pockets that had a metal strip that held the sash. They worked ok depending on the sash........ Now we hit the big times here and have all new fancy Anderson casements and bows LOL.
Yes the good old days