I have an old style overhead garage door, which incorporates
two springs on each side to more or less counter-balance the
door as it is opened and closed. Each spring is about 24"
long. I've lived here 27 years, and now and then one would
break, and I would replace it, with a little grunting and
straining.

Now, I'm not as strong as I used to be, and I cannot pull
the springs enough to un-hook or re-hook them. I'm
wondering if there is a tool or device used by garage door
specialists to stretch these springs for easier installation
and replacement.

Any ideas?

Many thanks.

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CWLee
Former slayer of dragons; practice now limited to sacred
cows. Believing we should hire for quality, not quotas, and
promote for performance, not preferences.