Alvin Technical Pens, TechLine Technical Drawing Markers, Alvin TekPen Drafting Technical Pens

Alvin TechLiner technical pens contain extremely fine polyacetal plastic nibs set in 0.5mm stainless steel sleeve for smudge-free inking. These disposable technical pens are ideal for precision drafting, free-hand drawing, or any design work. Water-based pigment black ink is non-bleeding, waterproof, and fadeproof. Acid-free, archival quality ink is also quick drying and lightfast. Includes protective vinyl storage sheath. Available in sets of three (0.1mm, 0.3mm, 0.5mm nibs) or five (0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm nibs).

Alvin TekPen technical pen sets include 4 or 7 tech pens in a variety of nib sizes, bottle of universal black India ink, and 3 compass adapters. Ideal for vellum, tracing paper, and film. Stainless steel points, refillable. Alvin TechLiner and TekPen technical pens, technical drawing markers.