#19 in Mechanical pencil refills
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Reddit mentions of Pentel Mechanical Pencil Lead, Ain Stein, 0.5mm, 4B (C275-4B)
Sentiment score: 1
Reddit mentions: 1
We found 1 Reddit mentions of Pentel Mechanical Pencil Lead, Ain Stein, 0.5mm, 4B (C275-4B). Here are the top ones.
or
Mechanical Pencil lead, Ain stein0. 5mm x 60mm4B x 40 leads
Specs:
| Height | 0.28 Inches |
| Length | 0.79 Inches |
| Number of items | 1 |
| Release date | September 2019 |
| Weight | 0.012666666666667 Pounds |
| Width | 3.11 Inches |
I use the Pentel Ain Stien graphite in my Rotring Rapid Pro.
http://www.amazon.com/Pentel-Stein-Mechanical-Pencil-C275-4B/dp/B008JF3RLC
I use B I think, I can check when I get home. It's supposed to be very resistant to breaking, which is what I needed because I often break .5mm graphite when I have to do some fast note taking. I can't even remember the last Ain Stien graphite broke on me while writing.
I don't have a lot of experience with other graphites, so I can't really compare the smoothness. But I really like it and it's much better than the stuff the Rotring came with.
Edit: here's a great selection: http://www.jetpens.com/Pencil-Leads/ct/99
Edit 2: https://www.reddit.com/r/mechanicalpencils/