The fibre pens with sophisticated triangle ergonomic grip intended for writing and calligraphy drawing on paper. They are fitted with wedge-shaped tips of four dimensions with 1-1,5, 1-2,0, 1-2,5, and 1-3,0 mm trace width with 500 m, 600 m, 650 m, and 700 m depending on the writing angle. Filled with deep black ink with improved light-fasting. All materials used comply with EN-71 standards and provide at least three-year lifecycle. They are packed in sets of 4 pieces in plastic boxes
