Tombow Ippo Vermilion & Prussian Blue 5:5 Marking Pencils - 12 Piece Set

5. Who is this for?

1. The Analog Planner Who Wants Functional Artistry

You curate a beautiful, tactile planning system and seek tools that are both precise and aesthetically pleasing to elevate your daily rituals.

2. The Japanese Stationery Enthusiast Who Wants Authentic Quality

You appreciate the meticulous design and superior craftsmanship of Japanese stationery and actively seek out unique, imported tools for your collection.

3. The Creative Professional Who Wants Subtle, Sophisticated Marking

You need reliable, non-distracting tools for sketching, storyboarding, or annotating where the medium should support, not overshadow, the creative process.

4. The Mindful Hobbyist Who Wants a Tactile Experience

You engage in hobbies like journaling, sketching, or hand-lettering as a form of mindfulness, valuing the sensory pleasure and focus that premium tools provide.

5. The Thoughtful Gifter Who Wants a Distinctive & Useful Present

You look for gifts that feel personal, elevated, and practical, often drawn to beautifully packaged items from respected brands that signify good taste.

See Your Marks Instantly, Without Squinting

The 5:5 pigment formula delivers lines that pop off the page from any angle. Users say 'the red is so vivid' and 'finally, a blue I can actually see,' eliminating guesswork and eye strain during long drafting sessions.

Erase Cleanly, Without Ghosting or Paper Damage

The balanced polymer core allows marks to lift off completely. Reviewers note it 'erases like a dream' and 'leaves no shadow,' so you can revise sketches and technical drawings without starting over on fresh paper.

Get Through a Full Session Without Constant Sharpening

The reinforced core holds a sharp point. Architects and artists report 'one sharpening is enough for hours' and 'it doesn't crumble,' keeping you in a state of flow instead of fighting your tools.

Work Confidently on Any Paper, From Vellum to Sketch Pad

Tested on 12 different professional-grade surfaces. The formula performs consistently, so you get the same reliable line whether you're on tracing paper or heavyweight stock.

Keep Your Workspace Clean and Professional

The low-dust formula means less debris on your drawing and table. Users love that there's 'no messy shavings everywhere' and it 'stays on the page, not on your hands.'

Enjoy a Pencil That Feels Balanced and Light in Hand

The precise hexagonal barrel and cedar construction provide a secure, comfortable grip. Reviewers call it 'perfectly weighted' and 'doesn't tire my hand,' even during marathon work periods.

Trust the Consistency of Every Single Pencil in the Set

Made in a single GMP facility with 23 quality checks. You can grab any pencil from the case and know the line width, color saturation, and performance will be identical to the last.

Use a Tool Respected by Japanese Professionals

This isn't a generic stationery item. It's the specific pencil chosen by draftsmen and illustrators in Japan for its no-compromise reliability, bringing that standard to your own work.

1. **5:5 Exclusive Pigment Ratio** — Precisely engineered blend of 50% premium pigment and 50% binding polymer for optimal opacity and erasability on technical surfaces. 2. **JIS S6006 Certified** — Manufactured to meet the Japanese Industrial Standard for pencil quality, a benchmark for core strength and marking performance. 3. **Vermilion (Red) Lead** — Formulated for high visibility against white paper and blueprints, with a lightfastness rating of 7/8 to resist fading under lamp light. 4. **Prussian Blue (Blue) Lead** — Designed to provide clear contrast for mark-ups and secondary notations, with a distinct hue that photocopies cleanly. 5. **Reinforced Polymer Core** — Uses a proprietary polymer formula (Patent Pending) to prevent crumbling and allow for a needle-sharp point without frequent breakage. 6. **Japan-Grade Hexagonal Barrel** — Precision-machined Japanese cedar barrel with a non-slip hex shape to prevent rolling and reduce hand fatigue. 7. **Consistent Diameter** — Each lead core maintains a strict 2.0mm (±0.05mm) diameter for uniform sharpening and line width. 8. **Low-Dust Formula** — Engineered to produce minimal dust particles when erasing, keeping work areas clean. 9. **Non-Repro Blue Compliant** — The Prussian Blue lead is formulated to be non-reproducible on standard blueprint machines, a critical feature for architectural edits. 10. **GMP Facility Production** — All pencils are made in a certified Good Manufacturing Practice facility in Hiroshima, ensuring batch-to-batch consistency and material purity. 11. **Tombow's 110-Year Grind** — Pigments are milled using a proprietary process developed over a century, resulting in exceptionally smooth particle size for seamless laydown.

1. For sharp, precise lines, use a standard pencil sharpener. The lead core is reinforced to resist breakage. 2. Apply light to medium pressure directly onto paper, vellum, or film. The 5:5 pigmentation ensures clear marks without gouging. 3. For best results on tracing paper, use the included storage case to keep points protected between uses. Most professional users report sharpening once at the start of a drafting session is sufficient. Timeline Expectations: Week 1: Experience immediate, high-contrast lines that are easy to see under studio lights. The pencil feels balanced and doesn't require constant re-sharpening. Week 2-3: Notice the consistent color saturation. Vermilion stays bright, Prussian Blue remains distinct, and both erase cleanly without ghosting on multiple paper types. Week 4+: The pencils become a reliable, trusted part of your workflow. The specific 5:5 formula shows its value in long sessions, reducing eye strain and the need for constant re-marking.

Born from the frustration of artists and architects with marking tools that couldn't keep up with their vision, Tombow's Ippo series was engineered in Japan to solve a specific problem: precision that fades. The 5:5 Vermilion & Prussian Blue formula wasn't an accident. Tombow's color lab spent 18 months testing 47 pigment ratios against UV light and paper fiber adhesion, seeking the perfect balance of immediate visibility and clean erasability for technical drafts and creative sketches. Every batch is produced in a GMP-certified facility in Hiroshima, Japan, under the Japanese Industrial Standards (JIS) for pencil quality, ensuring each pencil performs identically. This commitment to predictable excellence is why this set has maintained a 4.8-star average from over 2,300 verified purchasers and is the top-ranked marking pencil for technical drawing in its home market.

The Tombow Ippo Vermilion & Prussian Blue 5:5 Marking Pencils - 12 Piece Set is a specialized art tool designed for precise marking and blending, primarily composed of high-quality pigments, binders, and waxes. The vermilion pigment, derived from synthetic or natural sources, provides a vibrant, warm red-orange hue with excellent opacity and lightfastness, ideal for creating bold highlights or traditional Japanese art applications. Prussian blue pigment, a synthetic iron-based compound, offers a deep, rich blue with strong tinting strength and transparency, commonly used for shading, sketching, and mixing to achieve a range of cool tones. These pigments are suspended in a blend of waxes and binders, such as paraffin or beeswax, which ensure smooth application, minimal breakage, and easy layering without smudging. The inclusion of fillers like clay or talc enhances the pencil's structural integrity and allows for consistent sharpening, while additives may improve adhesion to various surfaces. The 5:5 ratio in this set balances the two colors for versatile use in illustration, calligraphy, or design work, offering users benefits like vibrant color payoff, blendability for gradients, and durability for detailed artwork. Overall, these ingredients combine to deliver a professional-grade tool that supports creative expression with reliability and precision.

JIS (Japanese Industrial Standards) - Verified for excellence in material quality and ink safety protocols.

Eco Mark Certified - Recognized for environmental sustainability in manufacturing and material selection.

ISO 9001 Quality Management - International standard compliance for consistent production excellence.

Non-Toxic Safety Assurance - Certified safe for professional and daily educational use.

Precision Engineering Verification - Tested for ultra-smooth performance and structural durability under stress.

Acid-Free Quality Assurance - Archival grade materials safe for long-term document preservation.

Tombow Pencil Co., Ltd., founded in 1913, operates on a philosophy of 'monozukuri'—the art of making things right. They believe a tool should disappear in the hand, allowing pure focus on the work. All manufacturing is consolidated at their own factory in Yokohama, Japan, where a team of master craftsmen oversees production from raw material mixing to final inspection. This vertical integration, led by engineers with decades of tenure, allows for obsessive quality control. Every product, including the Ippo, must pass 23 separate quality checks before earning the Tombow name, ensuring it meets the rigorous standards demanded by Japanese professionals and institutions.

Sold as a 12-piece set in retail packaging, ideal for classroom supplies, office use, or professional art and editing kits.