Veteren coil spring compressor users

I will need to eventually compress the front springs to do the lower ball joint or to (possibly next weekend) install a new guide rod mount. Does anyone have experience with the spring compressor that is attached below. Proportionally, it looks like it would function as the mercedes tool in the manual. Performance products has one that they sell for $500, which is way more than I am willing to pay at this point.

Does anyone think that it will do a satifactory job on 123 and 126 chassis?

Attached Images

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