Dong-A U-Knock Pen Refill (0.5mm/Black/12pcs)

AI product summary

This is a dedicated refill for the Dong-A U-Knock pen, featuring 0.5mm black ink. Packaged in a set of 12, it allows for economical reuse of existing U-Knock pens. Made in Korea, it provides a stable writing experience and is suitable for offices or schools where pens are frequently used.

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

Dong-A U-Knock Pen Refill (0.5mm/Black/12pcs)

₩4,675 (When ordering 50)
Product Code M503721

Unit price by quantity

Unit: ea/KRW (VAT excl.)

Quantity	1	2	3	5	10	20	50
Regular price	5,172	5,089	5,007	4,924	4,841	4,758	4,675

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

Product info
Shipping	₩3,300 (VAT included)
Sale price	₩5,172
Min order qty	1 pcs

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

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Purchase guide
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Product Q&A 1

Color	Black	Unit	Dozens
Quantity per carton	12	Country of Origin	Domestic/Daejeon/Daedeok
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 all U-Knock pen models?

This product is a dedicated refill for the Dong-A U-Knock pen and is manufactured to fit the specifications of that model.

Are other colors available?

The information provided is for the 0.5mm black specification; please inquire separately regarding other colors.

How is shipping handled for bulk orders?

You can check the details regarding packaging and shipping for bulk orders through our customer service center.

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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