Beloved by artists and crafters alike, the Signo Gel Impact pens are known for their consistent and smooth writing ability. Perfect for scrapbooking and art projects. Metallic colors are famous for writing very well on dark and light surfaces. Ink comes out silky and smooth and writes with a nice even flow on paper and photos. A rubberized grip makes for a comfortable pen and improves control. Medium-sized 1.0mm tip. Acid free.