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Diamond Infused Leads, 0.7mm, Pack of 40

4.7 out of 5 stars 16 customer reviews

Price: $6.57 & FREE Shipping on orders over $49. Details
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  • Fits most refillable mechanical pencils.
  • High performance HB lead refills made with diamond-infused lead.
  • Strong, long-lasting material resists breakage.
  • Produces consistent vivid, dark lines.
  • Won't damage or smear documents.
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$6.57 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.


Product Description

Size: Each

Product Description

Diamond Infused Leads, 0.7mm, Pack of 40. Fits most refillable mechanical pencils. High performance HB lead refills made with diamond-infused lead. Strong, long-lasting material resists breakage. Produces consistent vivid, dark lines. Won't damage or smear documents. 0.31 inches long by 2.875 inches wide by 7.625 inches high. 0.03 pounds. UPC for this product is: 70530001709 Related search terms for this product include: uni ball, uni-ball, mechanical pencil lead, , .

From the Manufacturer

Diamond-infused lead is designed for use with all automatic or mechanical pencils. Lead resists breakage and creates a dark, vivid line.

Product Information

Size:Each

Technical Details

Brand Name Uni-ball
Item Weight 0.5 ounces
Product Dimensions 0.3 x 2.9 x 7.6 inches
Item model number 1753231
Color Black
Number of Items 1
Size Each
Manufacturer Part Number 1753231

Additional Information

ASIN B003CPF5HS
Customer Reviews
4.7 out of 5 stars 16 customer reviews

4.7 out of 5 stars
Best Sellers Rank #127,955 in Office Products (See top 100)
#57 in Office Products > Educational Supplies > Reading & Writing Materials
#162,335 in Office Products > Office Supplies
Shipping Weight 1.6 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available October 22, 2009

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From the Manufacturer

Grip Series Micro Gel Signo Gel Impact Gel Onyx Kuru Toga
Gel ink option available
Diamond-Infused Lead
Micro-fine tip option available
Comfort grip
Capped models available
Retractable models available
Works with uni Super Ink
Clear barrel for visible ink level
Refillable

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: Each Verified Purchase
I am a college student and before using this lead I would easily go through normal lead in a mechanical pencil withing days. The reason why I rated this 5 out of 5 stars is because I tend to write with lots of pressure on the paper and the lead. This would always cause my lead to snap off every time. Since I started using this lead, I haven't had that problem not once, and it writes remarkably. I would recommend this product to anyone who writes with a lot of force, or just wants a more durable lead material in general.
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Size: Each Verified Purchase
Perhaps a bit too smooth for me, this lead is generally good. I like some tactile feedback when writing (a subtle grittiness is nice) and this doesn't give me that. But I'm beginning to like this -- it doesn't break easily, and it's nice and dark. It will smear just like any other pencil lead, in my opinion, so I don't know why they say it won't (in the photo I uploaded, the "Smear Test" was just one quick, fairly light swipe with my thumb). The "diamond infused" bit is, I'm sure, purely marketing. But, hey, it worked on me.
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Size: Each Verified Purchase
I use mechanical pencils regularly at work and have A LOT of problems with breakage, even when I try to write "gently". I hesitated to buy these leads because they are quite a bit more expensive than the standard ones and I didn't really believe they would hold up any better. But finally after reaching the end of my proverbial rope due to bits of lead continuously flying at me, I decided to "splurge" and try these. I have been writing with them for almost two full days now and have not had ONE break. When I think about how long I put off getting these, I could just kick myself. And when I take into account how much longer I expect these to last due to not losing half of them to breakage, the cost is a non-issue (and at the current price of $3.99 it's really not that bad anyway). If you are frustrated with your pencil leads breaking, give these a try--you will not be disappointed!
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Size: Each Verified Purchase
These leads are of high quality-they are the best ones you could possibly find at 0.7 mm. Unlike other leads,these are very hard to break and for its price-they are simply perfect. I am very happy that Amazon made these available.
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Size: Each Verified Purchase
Wow! I seriously can't believe how well this lead works. I haven't broke a piece yet while writing with a KuruToga 0.7mm Mechanical Pencil that I bought with this lead. The lines are dark and look like they should for a lead pencil. If you are tired of lead breaking on you all the time then get this lead. It really pays for itself. :)
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Size: Each Verified Purchase
This is the first lead I have found that doesn't break while I am in the middle of writing something. I have been looking for lead like this for years. The lead also lasts a lot longer without it breaking off.
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Size: Each Verified Purchase
I chose this because it is advertised as being more resistant to snapping than regular lead. After a few days of use I have yet to have it snap on me while writing. It could be that it's "infused with diamonds", but it's more likely a ploy. Wouldn't they be mostly carbon anyway. I decided to test a piece and snapped it intentionally off the pencil tip. It did seem harder than i was used to. They do write with a nice dark line and I could be imagining things, but they may wear down faster than standard lead.
The price isn't more than your typical lead pack, so the only reason not to buy it is the vast avaliablilty to pick up some generic stuff from a retail store. If you wanna buy your pencil lead online, I'd definitely buy this stuff.
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Size: Each Verified Purchase
Absolutely love this lead pack and it definitely breaks less than other types of lead and in my case it didn't break at all. It writes really nice without the squeaks you normally hear in lead pencils when you write. Definitely would recommend to all, great lead for all pencils.
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Diamond Infused Leads, 0.7mm, Pack of 40
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