Best uni-ball Mechanical Pencil Leads of 2026

The Uni NanoDia Colour Leads offer a vibrant 7 colour set, including shades like red, pink, and lavender. With a diameter of 0.5mm, these leads are perfect for detailed writing and precise drawings. You will appreciate the approximately 400 million NanoDia particles that enhance durability and smoothness, making your writing experience effortless. With a total of 140 leads in a handy 7-pack, you'll have plenty of options for your creative projects, ensuring you always have the right colour at hand.

The Uni-ball Kuru Toga Leads offer 36 fine 0.5 mm HB refills, ideal for precise writing or drawing. Thanks to the nano diamond technology, these leads provide smoother and stronger lines that last longer, so you won’t need to replace them often. They are designed to work perfectly with the Uni-ball Kuru Toga mechanical pencil, which self-sharpens as you write, keeping your lines neat and consistent. These leads also fit any other 0.5 mm mechanical pencils, giving you flexibility and convenience.

The Uni NanoDia Pencil Leads are a great choice for those who want reliable and vibrant writing tools. With a 0.5mm size, these lavender leads offer ease of erasure, making corrections simple and hassle-free. Their strength is enhanced by 40%, so you can write confidently without worrying about breakage. Comprising approximately 400 million NanoDia particles, these leads provide a smooth writing experience that is both enjoyable and effective, ensuring your notes look sharp and clear.

The Uni-Ball 0.7mm Leads are an excellent choice for anyone using automatic pencils that require 0.7mm refills. With a total of 144 high-quality leads, you can be assured of consistent writing performance. These leads are strong and smooth, providing you with a pleasant writing experience whether you're taking notes or sketching. Additionally, their amazing value for money means you can stock up without breaking the bank, ensuring you always have a reliable supply on hand.

The uni-ball Kuru Toga Pencil features a revolutionary "Kuru Toga Engine" that rotates the lead with each application, ensuring a consistently sharp tip for precise writing. Its stylish translucent barrel not only looks good but also includes a practical plastic clip for easy attachment to notebooks or pockets. The removable protective cap reveals a refillable mini eraser, allowing you to correct mistakes effortlessly. Each pack contains two smoke-coloured 0.5mm pencils, perfect for anyone who values both style and functionality in their writing instruments.

The UNI NANO Leads offer a convenient solution for your writing needs with 144 high-quality HB leads packed in 12 tubes of 12. Thanks to Uni's unique diamond technology, these leads are super strong and smooth, ensuring a pleasant writing experience. You can rely on these leads for consistent performance, making them ideal for both detailed note-taking and creative sketches. The HB grade provides the perfect balance of darkness and hardness, allowing you to create clear, precise lines effortlessly.

The uni-ball Refill Leads offer high-quality 0.5mm 2H leads, perfect for all automatic pencils. These leads are designed to provide a strong and smooth writing experience, ensuring that your notes are clear and precise. With a tube containing 40 refill leads, you won’t have to worry about running out quickly. The excellent quality of these uni-ball leads means you can enjoy consistent performance, making them a reliable choice for both everyday writing and detailed tasks.

The uni-ball Refill Leads are a set of 40 high-quality 0.7mm HB leads designed for automatic pencils. These leads offer a strong and smooth writing experience, allowing you to enjoy consistent performance with every stroke. Their excellent quality ensures that you can rely on them for everyday writing tasks, whether at school or work. Ideal for those who prefer the convenience of mechanical pencils, these refill leads will help keep your writing instruments ready for use at all times.

The Uni-Ball 0.9mm Leads provide you with a total of 144 high-quality leads, ensuring you have plenty for your writing needs. These leads are designed to be strong and smooth, making them perfect for creating clear, neat lines. They are ideal for all automatic pencils that require 0.9mm refills, offering convenience for your everyday use. With amazing value for money, you can trust in the Uni-Ball quality to enhance your writing experience.

The Uni-Ball 0.7mm Leads provide a total of 144 high-quality refill leads, ensuring you never run out when you need them most. These leads are ideal for all automatic pencils that require 0.7mm refills, giving you versatile compatibility. They offer a strong and smooth writing experience, making your notes and sketches effortless. With amazing value for money, the Uni-Ball 0.7mm Leads are perfect for students and professionals alike, allowing you to focus on your work without interruption.