Excellent for technical drawing, sketching, working with stencils, or for outlining Zentangle art, Edding 1880 Drawliner Pens contain a proprietary black pigment ink that dries quickly, is very lightfast, and won't bleed through papers. Available in eight nib sizes, these pens have a metal collar that protects the nib.The edding 1880 black drawliner is a precision fine liner recommended for light-colored paper. The product features a metal framed plastic nib that enables all permanent drawing techniques, from technical and stenciling to Zen-Tangling and urban sketching. The pigment ink is both waterproof and extremely lightfast. There is neither smudging nor bleeding, and both neutral smell and quick drying allow for in-door and out-door experiences. The clip on the cap allows to attach the pen onto the notebook or wherever deemed practical. When drawing or sketching, the cap can be temporarily stored on the end of the barrel, making for uncomplicated, spontaneous creativity.