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✏️ Write stronger, smoother, smarter—lead the pack with Pentel Ain Stein!
Pentel 0.5mm Ain Stein 4B Refill Lead offers a breakthrough ceramic cell structure that makes it 10% stronger and highly shatter-resistant. Supplied in a sleek swivel-top tube containing 40 leads, it delivers ultra-smooth, rich 4B strokes ideal for professional writing and drawing. Made from 92% recycled materials, this refill combines sustainability with superior performance, compatible with most mechanical pencils.











| Age Range Description | Kid |
| Animal Theme | No Animal Theme |
| Asin | B008JF3RLC |
| Best Sellers Rank | 2,949 in Stationery & Office Supplies (See Top 100 in Stationery & Office Supplies) 3 in Mechanical Pencil Leads |
| Body Shape | Rectangular |
| Brand Name | Pentel |
| Closure Type | Twist |
| Colour | Black |
| Country Of Origin | Japan |
| Customer Reviews | 4.6 4.6 out of 5 stars (4,143) 4.6 out of 5 stars |
| Drill Point | Standard |
| Global Trade Identification Number | 04902506269195 |
| Grip Type | Rubber |
| Hardness | 4B |
| Included Components | Mechanical Pencil Lead |
| Ink Base | Oil |
| Ink Colour | Black |
| Is The Product Left Or Right Handed | Ambidextrous |
| Item Diameter | 0.5 Millimetres |
| Item Dimensions | 20 x 7 x 79 millimetres |
| Item Weight | 0.01 Kilograms |
| Line Size | 0.5mm |
| Manufacturer | Pentel |
| Material Type | Ceramic |
| Model Name | C275-4BO |
| Model Number | C275-4BO |
| Recommended Uses For Product | Writing |
| Special Features | Pocket Clip |
| Style | 4B |
User
Good quality leads that snap and break far less than other brands.
These leads are smooth to use but far less prone to snapping or crumbling than the other brands I have used. These are much stronger than even the Staedtler ones, let alone the cheaper varieties and consequently are far nicer to use. They also contain over 90% of recyled material which is laudable. When used on watercolour paper for a initial sketch they erase easily and don't indent the surface as many other leads and pencils are prone to do. This makes life a lot easier if, like me, you are prone to be heavy-handed.
User
Brilliant leads
These are superb. They do snap very easily but this actually trains you to use a lighter touch. It’s very dark graphite and not too shiny unless you burnish it on purpose.Don’t buy them for technical illustrations because they smear easily (as you’d expect for the grade), but as a fine pointed lead for hatching through shapes with a nice dark tone on the first pass — or for stippling into the tooth of paper to create solid areas post shading — these are as good as it gets.
User
Great lead!
This is a fantastic product, hard enough to write, soft enough to leave a good line and strong enough not to keep snapping.
User
Went 2B to 4B
To be honest, not a big difference. Worth a try. Still very usable.
User
good product
refill for propelling pencils good dark print ideal for crosswords
User
Pencil leads
Great
User
The only mech leads I use.
I did a lot of research trying to find the darkest lead possible and it seems 4B is the darkest for mech pencils. This is perfect. I do a lot of Chiaroscuro (extreme light and darks) and this gives you the darkest black. Very happy with this product and it's the only brand I use now for mech leads. Great value.
User
good brand of 0.5 lead
exactly what you pay for, a bit on the expensive side though
User
良き!
鉛筆の4Bには負けますが色も濃く柔らかく書きやすかった!
User
Finally, found my soulmate lead
Even though I also like to write with 0.5 2B (B is too hard), which already means I'm a fan of the softer side, having found Pentel Ain Stein 0.5 4B leads was a dream come true.I know they are great for nuances - light or dramatic - in drawing, but writing is definitely why I use mechanical pencils, so bear in mind that this review is from someone who mainly writes (taking notes in class, making notes, solving exercises, eventually drawing graphics, journaling, ...).They are smooth to the point of turning writing into a gentle high velocity (if this makes and sense), as we so need on uni classes. The trace is easy to erase and it never ever scratches paper. Even in Bible paper, which is uncoated and ultra-thin - which says it all. Writing with these leads it's like floating on paper to the pace we decide.Writing with Pentel Ain Stein 0.5 4B leads is simply a pleasure. They turn the tiredness of a long writing session into something less tiring to fingers and wrists, thus, more enjoyable and more focused. I use them with Pentel Graphgear 1000 and Pilot Dr Grip. Although PentelG1000 has the ideal (imo) lead sleeve because it's long and prevents breakage, Pilot Dr Grip (Play Border and Pilot Dr. Grip HDGL-50R have no such long sleeve and, yet, they don't break the leads. However, they easily break with Rotring Tikki and classic Pentels (sorry, Pentel, love Pentel, your classics, but your wonder 0.5 4B demands a more refined Pentel...). At least, that's my experience. I Believe it's pointless to use these leads with Kuru Toga mech pencils, because if you're on the softer side, you don't want the lead to be sharp all the time.The tube is easy to work with and there's no danger of Breaking a lead while taking it out.The packaging could be more proper to the size of the tubes, but, at least, it arrived in the expected time.
User
Bonnes mines !
Bonnes mines arrivées non cassées. L'étui est super pour les protéger.
User
Suaves
Tonos oscuros, demasiado buenos para sketch, son bastante suaves por lo que la puntilla puede desgastarse mas rápido.Los recomiendo
User
çok kaliteli
daha önce hiç 4b uç görmemiştim
Trustpilot
1 month ago
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