Uni-Ball UMR-10 1.0 Gel Refill | Ink Colour - Blue, Black and Red

uni-ball Pen UMR-10 Refill — precision-engineered for smooth, fade-proof writing. Available in Black, Blue, and Red with a fine 1.0mm tip designed for everyday use. Ultra-smooth ink flow ensures consistent performance without skipping or smudging. Crafted with care to meet your writing needs. Compatible with UM-153S pen models. Stock up on reliable refills that deliver quality with every stroke.