Why you need a mechanical lead pencil? Mechanical pencils are used to provide lines of constant width without sharpening in technical drawing and in quick, neat writing. They have also been used for art drawing. They are also popular with students, engineers and artists since they do not have to be sharpened. Why choose Jimmidda mechanical pencil? Jimmidda metal lead pencil provides a long-lasting, smooth precise writing experience that is a perfect tool for sketching, drawing, crafting and writing. The full metal body and low center of gravity design give you a comfortable, fatigue-less writing and drawing express. Thoughtful Design How many times have you made a mistake while writing and when you search the desk for an eraser you can’t find it? This never happens with Jimmidda mechanical pencil. There is an eraser on the top button of each mechanical pencil to wipe writing errors. High Quality Lead Refill: It comes with a tube of 0. 5mm HB #2 lead refill that will provide a long-lasting and smoothly writing experience. Widely apply: These mechanical pencils are good for everyday use and offers precision and versatility from sketching to detailed illustrations and drawings, suitable for artists, engineers, beginners, teachers, students etc. Premium Customer and Unlimited Return: We have a professional team to help you reduce problems; please contact us to get assistance if you meet any problem as the followings: 1: Your package was unsealed or broken2: The metal drafting pencil kit you received are not same as our advertisement. 3: Got a defective auto pencil. 4: Have any questions when you use them. We offer you a 45 days money back warranty and easy-to-reach support to let you buy without any worry.