The Uni Style Fit has become a beloved gel pen series from Mitsubishi Pencil Corp (The makers of my favorite gel pen, the Uniball Signo DX!). This Nano Dia lead pencil unit is for any Uni Style Fit Body and can be changed as often as you like. Select your favorites! Find your style!

• Enables you to put any .5 mechanical lead inside your Uni Style Fit body. You can refill with the same Nano Dia lead, or any other .5mm lead!