first, the refill of genuine 2B pencil is in the middle, while the refill of fake pencil is often on the side because it is not standardized. The diameter of the refill of the second and 2B pencils should be about 2.4 mm. If the difference is too far, it must be fake. 3. 2B Pencil wood should be red from the tip to the inside. A fake pencil is red from the tip. After it is cut open, it is likely to be another color inside. Fourth, the genuine pencil handwriting is finely printed, and the surface paint is full and bright, while the fake one is dull. 5. Fake 2B pencils are 2-3 times cheaper than regular commodities. 6. When purchasing, carefully check whether the words on every 1 small-packed pencils are clear. If the words are unclear or the words are skewed or fuzzy, they are fake and shoddy products. Seven, carefully look at the color of the pencil at both ends, the color of the inferior pencil is white, and the color of the regular pencil is red; Or break the pencil and cut it open for observation to see whether the pencil wood is dark red basswood, whether the fracture is flat, whether the lead core is centered or defective; Wood with white color, irregular cross section and obvious hollow or crack at the tip of the pen is a fake and shoddy product. Or 1, the trademark seal handwriting. The genuine trademark pattern is clear, the outline is full, the steel seal handwriting is overall coordinated and correct, and it is snow white, and each one is uniform; The trademark pattern of fake goods is blurred. The outline of steel seal handwriting is vague, the color is pale white or grayish white, and the font size is different. 2. Appearance. Authentic hexagonal, circular and other shapes are correct, the plane is symmetrical, the rod diameter is uniform, the pencil length is uniform, and the paint color is bright and consistent; Fake products have incorrect hexagonal and circular shapes, asymmetrical planes, different lengths of pencils, dull paint and rough pens. 3. Internal quality. Authentic products meet and exceed national standards and are fluent in writing. Unbiased core, cutting without breaking the core. The wood is excellent in material, consistent in appearance and appearance, dark red, and crisp in rolling; The fake products do not meet the national standards, and the lead core is of poor quality. Because the pen shape is not allowed to be biased seriously, the wood is white or light yellow after cutting, and it feels hard and easy to split when cutting, and the wood material is rough and even rotten. 4. Price. Genuine products are printed with company name, model and other signs from small packaging to large packaging, and the printing is clear and complete. The inspection code and certificate are complete; The printed words or patterns outside the packaging of fake goods are distorted, the colors are seriously out of tune, the packaging materials are soft and easy to go out of shape, and the large packaging is not waterproof. No inspection code and certificate. 5. packaging. Genuine products are printed with company name, model and other signs from small packaging to large packaging, and the printing is clear and complete. The inspection code and certificate are complete; The printed words or patterns outside the packaging of fake goods are distorted, the colors are seriously out of tune, the packaging materials are soft and easy to go out of shape, and the large packaging is not waterproof.