Feature:1. CONVENIENCE AND EFFORT SAVING: Instead of manually sharpening the pencil, the automatic pencil's refill is automatically pushed into a new one by a mechanical device, making writing or drawing smoother and more efficient. This not only eliminates the hassle of sharpening pencils, but also saves time and energy.2. ACCURACY AND CONSISTENCY: Automatic pencils are usually equipped with a thin refill as well as a slimmer barrel, allowing them to achieve greater accuracy and detailed lines.3. VERSATILE: Since automatic pencils have a consistent line width, they are also suitable for applications that require accuracy such as drawing diagrams, engineering drawings and technical sketches.4. REPLACEABLE: Automatic pencils have replaceable refills that can be changed with a simple operation. This means that when the refill runs out, you don't need to throw away the entire pencil; you can simply replace it with a new one and continue using it.5. DURABLE AND LONG LASTING: Automatic pencils are usually highly durable and can withstand prolonged use without damage or failure. The size of the pencil refill is 0.7mm, you can choose the suitable size according to your needs.Specification:Item Type: Mechanical Pencil with Refill.Package List:1 x Mechanical Pencil1 x Refill