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Pentel Super Hi-Polymer Lead Refill, 0.5mm Fine, 3H, 144 Pieces of Lead (C505-3H)

4.5 out of 5 stars 291 customer reviews
| 21 answered questions

Price: $12.26 & FREE Shipping on orders over $49. Details
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3H lead
    This fits your .
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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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$12.26 & FREE Shipping on orders over $49. Details Only 16 left in stock. Ships from and sold by Amazon.com.


Product Description

Style: 3H lead

For paper surfaces, formulated with polymer resin bonded to carbon and graphite particles that never need sharpening. These leads break less, last longer, write smoother, and produce dense black lines that resist smearing and fading. Use 0.3mm extra-fine lead for small details, 0.5mm fine lead for accounting and general writing, 0.7mm medium lead for students, and 0.9mm thick lead for drawing. Packaged 12 leads/tube.

Product Information

Style:3H lead

Technical Details

Brand Name Pentel
Item Weight 1.9 ounces
Product Dimensions 3 x 1 x 1.8 inches
Item model number C505-3H
Color Gray
Number of Items 1
Manufacturer Part Number C505-3H

Additional Information

ASIN B000GOWDV4
Customer Reviews
4.5 out of 5 stars 291 customer reviews

4.5 out of 5 stars
Best Sellers Rank #57,222 in Office Products (See top 100)
#158 in Office Products > Educational Supplies > Writing & Correction Supplies > Pencils > Mechanical Pencil Leads
#72,457 in Office Products > Office Supplies
Shipping Weight 2.4 ounces (View shipping rates and policies)
Date First Available October 2, 2006

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From the Manufacturer

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.

Strong

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.

Smooth

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.

Uniform

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.

Lasts Longer

Each piece of lead is equivalent to a typical woodcase pencil. Pentel Super Hi- Polymer Lead can write 617 feet per inch of lead.

Lead Hardness

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.


Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By smurf on June 1, 2011
Style Name: 2B lead Verified Purchase
Most leads found in stores are HB. 2B is softer and darker in comparison. Your hand doesn't get tired as quickly because you don't need to apply so much pressure on the paper while writing, and for that reason you don't have to grip your pencil as tight. It also doesn't "scratch" your paper like the HB, so writing long paragraphs in cursive is a lot easier. Since it is darker applying less pressure than you normally would with a HB lead still produces nice dark lines.

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.
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Style Name: 2B lead Verified Purchase
As a math student, I write a lot. I've been writing with a PhD pencil for years now, but I've always used the standard HB lead that you can find at most stores. My paper was often scored from it, and erasing was a pain. So, I decided to look for a softer lead, and came across these. I get a much bolder line from the 2B leads, and my paper isn't nearly as scratched. My handwriting is also quite small, and I find that my homeworks written with the 2B lead are much easier for me to read than the ones written with the HB leads.

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!
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Style Name: 3B lead Verified Purchase
There is not much to say, but Amazon keeps urging me to write a review. 0.5 mm is the most usual pencil so having a supply of lead refills is always good. The usual hardness available in most stores is HB, roughly what is considered No. 2 pencil. Towards softer grades is B, 2B and 3B, so this reviewed grade is pretty soft. But it makes it easier to write in distinct black. HB used in a sleeve 0.5 mm pencil is effectively fainter than No. 2 pencil because of the lower pressure in writing one would normally use. My preferred grade is 2B. I got the 3B because it was at that time much cheaper than any other grade. It writes well, it wears off quickly, but it does not seem to break more than others.
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.
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Style Name: B lead Verified Purchase
When I got my first mechanical pencil in the 4th grade, I used Pentel HB 0.5 lead. Later, 0.7mm became popular, then 0.9mm (remember those Sumo Grip pencils?) But late in middle school, I settled back with 0.5mm lead because it became hard to cram increasingly complex math equations onto college rule paper with anything thicker.

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.
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Style Name: 2B lead Verified Purchase
This lead writes nice sharp, dark lines, and works reliably. There is a very noticeable difference between the darkness of this lead and HB lead. I use this lead to make important parts stand out in bold. Recommended.
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By Shendude on November 30, 2011
Style Name: 4B lead Verified Purchase
Pentel super hi-polymer lead is some good stuff. If you're bold (unnecessarily so), you would enjoy writing with this lead. It is very dark and very prone to smearing. If you write with a heavy hand, expect not just breakages, but crumbling. Nevertheless, this is all expected out of 4B lead. I mean, for god sake it's 4B! Overall, a good performer in my drafting pencils. This huge box would last for a while despite how quickly my pencils gobble this stuff up.
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Style Name: F Lead Verified Purchase
I have been looking for this grade oh lead for a while and finally gave up and ordered it. Stores only appear to stock HB, B, and occasionally 2H or H grade. B and HB produce a nice dark mark, with B being darker, but it tends to smear badly. They sometimes also stock H and 2H grades but they produce too light a mark and tend to be brittle. With F grade you get the dark mark of B grade that does not smear and it is not as brittle. Basically it is the perfect mix for general use.
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By Eric Chang on September 29, 2011
Style Name: F Lead Verified Purchase
It's pencil lead. What more can be said about it, other than it comes in a nice giant pack, so that you won't have to keep on rebuying them. This is perfect for a heavy writer like me. It writes lighter than HB so it doesn't smudge, but it's not too light like H so that it is hard to read.
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