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1 pencil vs 2 pencil11/27/2023 Given the popularity, it's also straightforward to get refills for HB leads. It's a perfect blend this lead is relatively smudge resistant while maintaining a solidly dark line that can be erased relatively easily. HB will do the job in terms of everyday work - from homework to sketching. 2 wooden pencils (i.e., the Ticonderoga yellow wooden pencils with green text). This lead's popularity is warranted as it's approximately equal to the dominant No. The vast majority of mechanical pencils (and regular pencils, too!) are included with HB lead. B lead grades will appear darker than H lead gradesĬharacteristics of Each Lead Grade HB Lead ![]() Below is a handy chart comparing various lead hardness levels. Of course, each lead grade will look different with the different compositions. Credit: Observational Models of Graphite Pencil Materials The approximate composition of each lead grade. Pencils leads are comprised of a mix of graphite and clay, so more graphite in the lead contributes to a softer pencil and vice versa. This hardness also makes it so that the lead doesn't smear when on the page.Ĭharacteristics of lead come from the material makeup of each grade. ![]() Harder leads put out less lead than softer leads with the same applied pressure. Hardness is a measurement of how much lead is put on the page. H is lighter (with each added number in front, making it appear lighter).B is darker (with each added number in front adding to said darkness).If the various grades of leads get confusing, remember this: Even though most casual users of mechanical pencils stick with HB lead, the industry standard, the different degrees of hardness are beneficial since they can provide different properties, from a more rigid, lighter-tone line to a darker line with a deep shade. I admit that example is quite extreme, but it conveys the importance of lead hardness indicators. It'd be impossible to distinguish which kind of lead is in each one without some lead indicator. Let's say an artist enjoyed using a specific type of mechanical pencil, the Rotring, 600 and had five silver versions with various harnesses inside. This feature is essential for artists and others with a mountain of mechanical pencils that look identical. However, keep in mind that there are many more lead grades than the ones show in this table. Mechanical pencils often feature a dial that allows you to change what the indicator displays to keep track of what lead is in there.īelow is a list of the most common lead grades and their equivalent in terms of the US pencil grading system. The lettering, such as HB (Hard Black), tells the user what type of lead is inside the mechanical pencil. If you see inaccuracies in our content, please report the mistake via this form.You may have wondered what "HB" or "2B" means. If we have made an error or published misleading information, we will correct or clarify the article. Our editors thoroughly review and fact-check every article to ensure that our content meets the highest standards. Our goal is to deliver the most accurate information and the most knowledgeable advice possible in order to help you make smarter buying decisions on tech gear and a wide array of products and services. ZDNET's editorial team writes on behalf of you, our reader. ![]() Indeed, we follow strict guidelines that ensure our editorial content is never influenced by advertisers. Neither ZDNET nor the author are compensated for these independent reviews. This helps support our work, but does not affect what we cover or how, and it does not affect the price you pay. When you click through from our site to a retailer and buy a product or service, we may earn affiliate commissions. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. ![]() ZDNET's recommendations are based on many hours of testing, research, and comparison shopping.
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