Strong and smooth: The pen core delivers smooth and clear writing with rich black ink that resists fading for long-lasting performance. Easy to use and portable: The storage box is made of durable hard plastic, allowing easy access to the pencil core. Its compact size enables convenient handling, disassembly, and portability. Highly compatible with most pencils: Provides consistent performance with excellent color rendering, smooth flow, and reliable results for everyday writing tasks. Ergonomic design: Each lead dispenser is designed for simplicity and precision, offering comfortable and effortless use. Ideal for general writing applications such as note-taking and letter writing. Wire length: 60mm. Packaging includes: 5 pieces per set of pencil lead refills. Color: As shown Material: Resin Size: 0.7mm Package Contents: 5 x Pencil Refills Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.