01 / Reference notes

The reference

This reference looks at Smooth Gel Ink Ballpoint Knock Pen 10 Color Set 0.5 mm to help you compare specific stationery objects rather than collecting by appearance alone. The values below belong to the named product, material, edition or care reference.

02 / Reference notes

Published details

Smooth Gel Ink Ballpoint Knock Pen 10 Color Set 0.5 mm
DetailPublished reference
⚠ WarningCancer -
Product groupPens
BrandMUJI

Values identify the named product, material or edition. Missing specifications are not inferred from a similar model or its photograph.

Planning notes

Match the object and its consumable or format

Smooth Gel Ink Ballpoint Knock Pen 10 Color Set 0.5 mm lists the instrument type named in its title. The record does not name a matching consumable here; obtain the exact model’s refill or filling instructions before buying one.

Use a concrete capacity or fit check

Check the full model and the actual nib, tip or lead option separately from body colour. For a daily-carry choice, check the capped or closed instrument with the actual pocket or case and retain its refill designation with the purchase record. A shared brand does not confirm interchangeable nib units or an identical refill length.

06 / Reference notes

Sources and scope

Prepared October 28, 2026. The linked manufacturer, publisher or care reference establishes the facts it publishes. Use the exact edition, variant and current instructions when a decision depends on them. Editorial standards.