I've seen the IR thermometers as low as $10 (Harbor Freight has numerous models). I bought a Sears/Crafts. for around $30 on Fleabay. It was new, IIRC, regular retail was around $55 or so. It's a handy tool for lots of other things around the house.

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1998 W210 diesel (wiped out by a texter)
Baum spring compressor "for rent"