The Uniball Signo RT1 is the latest in the Uniball Signo series. Its water-based pigment gel ink is vivid, smudge-proof, water resistant, and light resistant. The tip of this pen has been designed to reduce the frictional resistance between the paper and the pen, for a smooth writing experience!
Available in 3 sizes: .28, .38, and .5 mm
Water-based bold pigment gel ink available in 10 colors: Black, Blue Black, Blue, Purple, Red, Green, Baby Pink, Light Blue, Orange, and Lime Green