https://www.amazon.com/Astro-101-Grease-Needle-Nozzle/dp/B000FMK7FG/ref=sr_1_16?ie=UTF8&qid=1540861783&sr=8-16&keywords=needle+grease+gun+tip

I purchased this tool on Amazon several years back. It was inexpensive and worked really well in the inverted dimple which Sugar Bear is referring to. In case the link does not work, go to Amazon and search for Astro 101 Mini Grease Gun with Needle Nozzle. The price is $11.35.

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