Uni Style Fit 0.38mm ballpoint pen refills. I purchased these several years ago, but I haven't used them, so I'm putting them up for sale. This is a set of 3 colors: baby pink, light blue, and violet. *Details* - Colors: Baby Pink, Light Blue, Violet - Ink thickness: 0.38mm - Model number: UMR-109-38 The packaging is a bit old, but the items are unused. Please purchase if you don't mind the condition of the packaging. I will package them in an envelope. #ballpoint pen refill #ballpoint pen #pen #ink #stationery #school supplies #study #office supplies #stationery #daily necessities #general goods #uni #Uni Style Fit