Product Packaging - Our mechanical pencil set contains 2 separate erasers, 4 pencils, suitable for four refill sizes of 0.3mm, 0.5mm, 0.7mm and 0.9mm, each size comes with a corresponding refill Product Material - This mechanical pencil set comes in four sizes: 0.3 mm, 0.5 mm, 0.7 mm and 0.9 mm, they are all carefully made of plastic and metal materials, the matching lead is made of resin material, making it convenient and comfortable to use Comfortable and Effective - Equipped with a non-slip spiral grip and just the right weight, our pencils are easy and comfortable to use, making creative activities such as writing, painting and sketching a easy. Wide Applications - Whether you're a student, artist, or professional, our Mechanical Pencil Set is perfect for writing, drafting, drawing, sketching, and more Best Gift - This beautifully designed pencil is perfect as a gift for children on Children's Day Features:  1. Perfect Pencil Set for Students, Architects, Engineers and Teacher Who Needs High-quality Pencils  2. Mechanical pencils are with strengthened leads,not easy to break and very handy for work,good for sketching, drawing, test, carpenter or crafting  3. Improve work efficiency and ease of use Product Information Material:PlasticColor:BlackQuantity:10 piecesSize: 0.3/ 0.5/ 0.7/ 0.9 pencil + 4 boxes of leadPackage includes:10-piece drawing automatic pencil set Note 1.If you are not satisfied with your purchase, please contact us immediately, we will provide satisfactory solutions.   2.Due to manual measurement, the size may have a certain error.  3.Due to different screen settings and resolutions, there will be slight color variations.Please refer to the actual object.