|Item Weight||1.9 ounces|
|Product Dimensions||3 x 1 x 1.6 inches|
|Item model number||50-F|
|Number of Items||1|
|Manufacturer Part Number||50-F|
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Pentel Super Hi-Polymer Lead Refill, 0.7mm Medium, F, 144 Pieces of Lead (50-F)
|Price:||$11.42 & FREE Shipping on orders over $49. Details|
|You Save:||$2.86 (20%)|
- Enter your model number to make sure this fits.
- Resists breaking and never needs sharpening
- 0.7mm, medium lines
- F lead is equivalent to a #2 wood case pencil
- Ideal for accounting and all general writing
- Fits all 0.7mm mechanical pencils
- Box contains 12 tubes - 12 pieces of lead per tube
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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.
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
This lead resists breaking, I've used one stick so far and had zero breaks! With the Up & Up brand from target I was burning through sticks from breakage. Also this lead is significantly darker than the Up & Up lead. The downside is that it is softer lead but I can live with that; it just means that you'll have to click a bit more often. I love how dark and clean the lines are without having to apply pressure. I got this box of 12 tubes and I am fairly certain that i now have a lifetime supply of lead- I just hope I don't misplace my fancy pencil!
**Update- 3 months in and I'm convinced this is the best lead on the market. No, in the world. NO!!! In the UNIVERSE!!!
The lines are still crisp and sharp which makes erasing mistakes slightly harder. I always have an eraser stick with me anyway so thats a non issue for me but you might want to be aware of that. I press hard though so that contributes to the issue.
**UPDATE** I bought this in April 2013, its now September 2014 and I still have lead-a-plenty. That's 4 semesters worth of writing and I'm about halfway through with the box.
Most Recent Customer Reviews
Just what I was looking for! I have a heavy writing pressure and find standard "HB" lead often breaks in my Pentel mechanical pencil. Read morePublished 4 hours ago by TAD
This lead is hard to find and it's the one that my dad likes to work his crosswords with. Soft enough lead that it doesn't tear the paper.Published 12 days ago by So Happy
Use mechanical pencils all the time. These work well. Not dark or too light.Published 1 month ago by Amazon Customer
Not everybody like softer lead but I do. It is darker and doesn't emboss thin paper as you write. I.E. to me harder lead is like writting with a nail. Read morePublished 2 months ago by J. Almas
yes it met my expectations, I don't know why I cant find it in office supply stores but I am very happy with my purchasePublished 2 months ago by Amazon Customer
Those break so easily, but they are so cheap. Very dark and easy to manage.Published 3 months ago by Amazon Customer