Uni Ball Black 0.5mm Nib Tip (0.4mm Line Width) Eye Needle Point Rollerball Colour Pen Waterproof Lightfast Pigment Ink UB-185S (Pack Of 3) : Amazon.ca: Office Products
Difference in ink color between the same Uniball pens from Thailand and India. The Thailand nib is also larger even though they are both micro. : r/ pens