Today's episode of "What is it?"

toolmanmike said

Those are for aligning GM cars and trucks. To move and hold the control arms.

2 OTC 7010 Caster Camber Alignment Adjustment Tool for sale online | eBay

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Very helpful.

These were all in that Alemite alignment system I bought. There's a set of Stewart Warner wrenches as well as the caster/camber bubble gauges.