Uni-Ball Kuru Toga Mechanical Pencil - Silver - 0.5mm

The Uni-Ball Kuru Toga High Grade Premium Edition features advanced self-sharpening lead technolog...

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OnBuy.comUni-Ball 153528584 Kuru Toga High Grade Premium Edition Mechanical Pencil With Silver Barrel
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Product Information

Full details

The Uni-Ball Kuru Toga Mechanical Pencil is designed for students, artists, and professionals who prioritize precision and line consistency in their writing or sketching. Its standout feature is the innovative rotating lead mechanism that keeps the pencil point sharp at all times, preventing the common flat-edge buildup found in standard mechanical pencils; however, users who prefer a completely static tip may find the subtle rotation movement of the internal gears takes a brief period of adjustment.

All features

Model Part NumberM510171P.26
BrandUni-Ball

Extended Product Information

FAQs

What lead size does this pencil use?

The Uni-Ball Kuru Toga High Grade is designed specifically for 0.5mm lead.

Can I use any 0.5mm lead?

Yes, but for the best experience and to prevent internal breakage, high-strength leads like nano-diamond infused options are recommended.

Does the pencil come with an eraser?

Yes, it includes a small refillable eraser located under the top cap.

Is the grip comfortable for long periods?

The knurled metal grip is designed for balance and stability, making it very comfortable for extended writing sessions.

Why is there a slight 'give' at the tip?

That is the internal gear mechanism working. It is a normal part of the rotation process that keeps the lead sharp.

Troubleshooting

Lead is not rotating

The mechanism triggers when the pencil is lifted from the paper. Ensure you are lifting the pencil slightly between strokes to engage the gear.

Lead keeps breaking

Avoid extending the lead more than 1mm-2mm beyond the sleeve, and ensure you are using high-quality 0.5mm leads.

Pros and Cons

Pros

  • Consistent line width avoids the need to manually rotate the pencil
  • High-quality, durable metal construction
  • Balanced weight distribution reduces hand fatigue
  • Professional, ergonomic aesthetic

Cons

  • Slight movement of the internal gear can be felt by sensitive users
  • Higher price point compared to entry-level plastic mechanical pencils
  • Mechanism requires a light touch to trigger rotation

Setup, Compatibility & Care

To ensure optimal performance, insert 0.5mm leads through the top of the pencil after removing the eraser cap. For best results, use Uni-Ball nano-diamond infused leads, as their added structural integrity prevents snapping inside the rotating mechanism. To maintain the device, keep the lead chamber clear of debris and avoid overfilling with lead sticks. The exterior metal barrel can be wiped clean with a soft, dry cloth to remove natural hand oils and maintain the finish.

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