Each container contains 40 pieces of lead. The higher the number, the harder the coating is. Pentel Super Hi-Polymer® Lead refill has 0.7 mm leads to offer smooth writing. Instead of me posting his chart here, you can pull his video up on u-tube and watch him do his thing and copy down his chart. According to the shade chart, the HB pencils range in the middle of the chart. STEIN stands for "Strongest Technology by Enhanced SiO2 Integrated Network". In the world of detailing it is very common to see a coating with a hardness being mentioned. It means that the pencil is hard and black, and depicts the hardness and the nature of the color used in the pencil. Pencil 'Lead' Pencil lead is made of a mixture of graphite and clay. "HB" is a universal term meaning "Hardness" and "Blackness". Product Details. Much cheaper that a lead hardness tester and very quick. How to change lead hardness in Pentel Graph Gear 1000? The Cult Pens Guide to Pencil Lead Hardness. Pencils usually have some letters and numbers on them - HB, 2B, 4H, or even just numbers - 2, 2 ½, etc. There are different levels of hardness and different levels of blackness to choose from, however, HB is known to be the standard and the equivalent to a #2 wooden pencil. These leads break less, last longer, write smoother and produce dense black lines that resist smearing and fading. The Pentel Stein Enhanced Silica Pencil Lead features a reinforced silica core that makes the Stein Pentel's smoothest, strongest, sharpest pencil lead yet! Pentel Super Hi-Polymer® Lead refill includes 0.7 mm H leads to provide smooth/uniform marking for your everyday writing, sold as 12 leads. 7. 2H Pentel lead refill offers increased hardness and strength. Different types of determining the hardness. Everything You Need to Know About Pencil Lead Hardness. What does the “HB” in Pentel Super Hi-Polymer HB lead stand for? Pencil Hardness BHN. Staples.com: Pentel Super Hi-Polymer® Lead Refills, Medium Point 0.7mm, HB Hardness Lead, 90/Pk with fast and free shipping on select orders. The term ‘HB’ is universal and is usually printed on all pencils. 4B 9. 6B 4-5. 5B 7-8 . Also, any number in front of HB, or B, or H simply indicates the shade of the lead. Mechanical Pencil Lead Mechanical Pencils Drawing Lessons Drawing Tips Pencil Grades 2b Pencil Pencil Art Jet Pens Art Tips. Saved by JetPens. Hard H lead refill is made of 100 percent recycled content for long durability, sold as … Drawing is one of the few art practices you can do with the least amount of art supplies. Thus, the “H” stands for hardness, and the “B” stands for blackness. 0.5 mm lead refill creates a fine, delicate line. Help Trying to fix my Graph Gear, and I think part of the issue is that the pencil is set on the wrong hardness level for the lead being used (didn't realize that was a factor by the lead and not the pencil until 5 minutes ago). 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