The highly economical Uni Pin drawing pen features waterproof and fadeproof pigment ink. Ideal for all types of art and design, including sketching and technical drawing, the steel-supported polyacetal nib is available in 9 line widths. Metal surround protects the nib and makes these pens suitable for use with stencils. part of Uni's Super Ink range - fade-resistant, water-resistant and tamper-proof. .
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