Keep your favorite UNI UM-100 gel pen writing smoothly and reliably with this high-quality UNI UMR-5 gel pen refill. Designed specifically for the UNI UM-100 model, this refill ensures a seamless transition and perfect fit, allowing you to continue your tasks without interruption. It's the ideal choice for students, professionals, and anyone who appreciates consistent writing performance.

Experience the precision of a 0.5mm nib, delivering crisp, clean lines with every stroke. The vibrant dark blue ink provides excellent readability for notes, documents, and creative projects. A key benefit of this refill is its water-resistant ink, offering peace of mind that your important writings will remain intact even if exposed to moisture. Enjoy a consistent, fluid writing experience that makes your work stand out.

Specifications

• Product Type: Gel Pen Refill
• Refill Model: UMR-5
• Compatible Pen Model: UNI UM-100 Gel Pen
• Ink Color: Dark Blue
• Nib Size: 0.5mm
• Ink Feature: Water-resistant

How to Use

To use, simply remove the old refill from your UNI UM-100 gel pen and insert the new UMR-5 refill to resume writing.