Technical drawing pen mm

This art pen set contains 4 different pen styles: 12 Glitter, 12 Neon, 12 Gouache (Pastel), 12 Metallic. This Glitter Pens Set are non-toxic, acid-free. The 1.0 mm ball-point works great for sketching, drawing, lettering, party invites, greeting cards, arts and crafts. Gel pens for adult coloring books, sketch, draw, color, doodle, write, fun, skills. Greeting cards, Letters to friends and family, gel highlighter, arts and crafts, decoration, scrap booking, school projects, stationery. The latest Diamond Head pastels pen tip diamond design, very beautiful PERFECT FOR KIDS & ADULTS: Gel pens for adult coloring books, sketch, draw, color, doodle, write, fun, skills. Greeting cards, Letters to friends and family, gel highlighter, arts and crafts, decoration, scrap booking, school projects, stationery.