Mitsubishi Uni-ball One Gel Pen Refill (UMR-05S/Black)

AI product summary

This is a refill for the Mitsubishi Uni-ball One gel pen, model UMR-05S Black. With a 0.5mm ball diameter, it provides a vivid and smooth writing experience and can be easily replaced when the ink in your existing Uni-ball One retractable pen runs out. This product is for refills only and does not support separate printing or engraving. It is a consumable item to be kept in bulk for maintaining office or academic stationery.

This summary is not guaranteed to be accurate. Please check the full description.

Mitsubishi Uni-ball One Gel Pen Refill (UMR-05S/Black)

₩783 (When ordering 50)
Product Code M503348

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Quantity	1	2	3	5	10	20	50
Regular price	873	859	838	824	810	796	783

For orders below the base quantity, please call customer service( 1833-9433 ) for details.

Product info
Shipping	₩3,300 (VAT included)
Sale price	₩873
Min order qty	1 pcs

Quantity	(Please inquire for orders below the base quantity.)

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Product Q&A 1

Notice	Promotional items are produced for corporate or organizational marketing purposes and may differ in characteristics from general consumer goods. Actual product colors may vary from those shown on screen due to monitor settings, lighting, and image resolution. Product dimensions and specifications may vary slightly depending on the measurement location and method. Printed areas may wear out depending on usage and storage. Exposure to high temperatures, friction, or frequent washing may cause discoloration or damage. Slight variations in color or finish may occur depending on the material, production batch, and manufacturing process.

FAQ

Is it compatible with my existing pen?

This refill is exclusively for the Uni-ball One retractable model (UMN-S-05), so please check that it matches your model name before purchasing.

Can I buy other colors?

This product is for black ink only. Please check the separate product page for other colors.

Is there a discount for bulk purchases?

For bulk purchase inquiries, please contact our customer service center for guidance.

Purchase guide

Product Info	Actual product and print colors may vary from screen colors depending on your monitor settings and resolution. We recommend requesting a sample beforehand if color accuracy is critical. We will create a proof based on the files and designs you provide, and printing will proceed only after your approval. Please double-check for typos and text, as printing is based on the final approved proof. Please send the files required for printing to our email (cs@commerceone.io). For large files, you may use a large file transfer link. Printing costs may be free or incur additional charges depending on the product, so please inquire before purchasing. Some products that require extensive design work, such as fans or flyers, may incur additional design fees.
Shipping Info	While delivery times vary by product and quantity, we aim to ship within 3–7 days from the order date. Deliveries to remote or island areas may take an additional 1–2 days. Domestic shipping is free. However, additional charges may apply for orders below the minimum quantity, deliveries to remote/island areas, or shipping via courier, freight, air, or mail. Standard shipping is via parcel service, but freight or quick delivery services can be arranged upon request. The seller is responsible for any accidents that occur during shipping. We do not offer international shipping.
Payment Info	We support credit/debit cards, real-time bank transfers, wire transfers, and easy payment services. Electronic payments are processed through our contracted payment gateway (PG). Payment is required in advance, and all product prices exclude VAT. If the name on the wire transfer differs from the order name, please notify our customer service center. Failure to confirm payment may delay production. Please send us your business registration certificate and the contact person's email address if you require a tax invoice. For credit card and easy payment transactions, the credit card sales slip serves as proof of purchase; therefore, tax invoices will not be issued separately.
Returns/Exchanges	Returns due to a change of mind can be requested within 7 days of receiving the product. If there is an issue with the product or printing, please notify us within 30 days of discovering the issue (within 3 months of receipt), and we will process your request after verification. Custom-printed or made-to-order products, as well as products delivered with promotional stickers attached, cannot be exchanged or returned due to a change of mind as they cannot be resold. Exchanges and returns are not possible if the product value has significantly decreased or the item has been damaged due to use or partial consumption. Typos or text errors in products printed according to the final proof approved by the customer are not eligible for exchange or return. The seller covers return shipping costs for defective products, while the buyer covers return shipping costs for returns due to a change of mind. For products gift-wrapped upon request, costs may be charged if the packaging is damaged upon return. Process: Customer Service Request → Product Retrieval → A/S Team Inspection → Decision on Exchange/Return

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