Great stuff! Works exactly as advertised. I have been dealing for years with the installation and removal of lightbulbs and the problems involved (cross threads, difficulty turning, sometimes the lightbulb breaks during removal, etc. I didn't know until now that this type of lubricant is readily available. It makes the installation and and removing is smooth and easy, just run your finger over the lube in the reservoir and then your finger around the threads of the bulb (I make sure to coat it with lube, any threads that come in contact with a reservoir of this product will probably a lifetime, only very small amounts needed, so far I've used it on about 70 bulbs (switched to LED bulbs) and I can hardly say I've used them at all.
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