This is a mousse - type liquid lipstick that has a very thin tip (3 mm) so you can get very precise while lining your lips. (beautynerdbynight.com)
The PDT300 Waterproof Pocket Digital Thermometer with 1.5 mm Thin Tip Probe is an ideal pen - style digital cooking thermometer that is slim and fits flat in your pocket. (comarkinstruments.net)
I believe its a felt tip, it's fairly thin tipped so thats a plus. (maybelline.com)