|Item Weight||1.9 ounces|
|Product Dimensions||3 x 1 x 1.8 inches|
|Item model number||C505-3H|
|Number of Items||1|
|Manufacturer Part Number||C505-3H|
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Pentel Super Hi-Polymer Lead Refill, 0.5mm Fine, 3H, 144 Pieces of Lead (C505-3H)
|Price:||$13.09 & FREE Shipping on orders over $35. Details|
|You Save:||$1.19 (8%)|
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- Resists breaking and never needs sharpening
- 0.5mm, fine lines
- 3H is a hard lead that produces a light line density
- Ideal for drafting and engineering applications
- Fits all 0.5mm mechanical pencils
- Box contains 12 tubes - 12 pieces of lead per tube
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Pentel Super Hi-Polymer Lead Refill, 0.5mm Fine, 3H
Pentel Super Hi-Polymer Lead
Pentel first developed Hi-Polymer lead in 1960. Super Hi-Polymer lead is the perfect balance of dark, strong, smooth and uniform, which is why it remains the #1 selling lead in the world.
Pentel Super Hi-Polymer Lead is extremely durable lead that is ideal for high-pressure applications. Independent testing has shown that our lead can withstand up to 123.9 grams of pressure before it will break.
The average human hair is 1,000,000 angstroms in diameter, while the typical lead microspore is only 10 angstroms in diameter. However, Pentel Super Hi- Polymer Lead is just 1 angstrom in diameter. The smaller the microspore, the easier the lead adheres to the surface of the paper for smoother writing.
The way lead is produced has a lot to do with how well it will perform. Lead with too many gaps is prone to break. Lead with too many tight spots will create excess friction and reduce smoothness. Pentel Super Hi-Polymer Lead has an extremely low variance for increased durability and more consistent lines.
Each piece of lead is equivalent to a typical woodcase pencil. Pentel Super Hi- Polymer Lead can write 617 feet per inch of lead.
Pentel Super Hi-Polymer Lead is available in a variety of hardness ranging from 4B (softest) to 6H (hardest). The softer the lead, the darker the imprint, or line produced when writing. HB lead is similar to the lead found in a #2 pencil and is guaranteed to scan on all standardized tests.
Lead Diameter and Line Width
Pentel Super Hi-Polymer Lead is available in diameters from 0.3 millimeter up to 0.9 millimeter. 0.3 millimeter lead produces extra-fine lines ideal for small details. 0.5 millimeter lead produces fine lines great for accounting and general writing. 0.7 millimeter lead is the most commonly used size that is perfect for students and everyday use. 0.9 millimeter lead produces a bold line and works well for those that write with a lot of pressure or have limited fine-motor skills.
Top Customer Reviews
Since these are polymer leads they also don't clog up your pencil like some of the ones with lower quality or the old school leads.
One draw back is that you go through these a lot quicker. They are hard to find in stores and thankfully they have it here for a decent price.
I expected to be breaking more of these since they're softer, but it turns out that my expectations were wrong... I think the softness gives them a little more give. Over all, I highly recommend using 2B over HB if you write a lot with a mechanical pencil!
If you like(d) Pentel products, stock up on them. From what I can tell, this type of a trapezoid package is being discontinued and the pencils are also becoming scarce. They may not be in demand. Our university bookstore is not restocking Pentel leads in the once every present display case anymore.
And eventually, I came to try Pentel B instead of HB. It made a world of difference. Lines came out significantly darker, writing took much less pressure, and I could write for longer periods of time with less hand fatigue. It erases just as well too.
Also, from years of completing Scantron forms, I can attest that B lead works just as well as HB.
In short, B 0.5mm Pentel lead is my refill of choice for my mechanical pencils.
I used to have the HB variety. I thought I'd try B to see how much darker it is. I haven't had any breaking yet with my new Graphgear 500 and I can't really tell if it's darker.
Great lead, great price. Do yourself a favor and don't buy junk lead.
Most Recent Customer Reviews
I only got one little tube, what the heck? Why is there a whole box on the picture when that's not what you get?Published 14 days ago by Devon
exactly the lead you expect from pentel. its good for writing, and for the occasional quick outline sketch. Read morePublished 18 days ago by M. Champion
Not too soft, not too hard, just right. Doesn't break too easy, writes clear, never smudges.Published 28 days ago by 7SFCW4
I got this stuff so I could write/sketch quickly and with light pressure. It's good for that--I barely have to press harder than with a nice rollerball pen. Read morePublished 1 month ago by Erick