They're perfect for detailed, precise and controlled writing and drawing.
Each pen contains smooth flowing gel blue ink thanks to the twin-ball mechanism which prevents ink back-flow.
You can refill this pen using a Uni-Ball 153S Gel Pen Refill or Uni-Ball UMR10 Gel Pen Refill.
The refill can be found under its product code UMR10BL.
Description
Uni-Ball Impact Gel Pens contain a smooth flowing gel ink which delivers bold, vibrant colours that stand out from the page. Each pen has a soft grip which keeps you comfortable while you're writing.
