Expert, versatile and boasting an unrivalled colour spectrum, the Winsor & Newton ProMarker is a must-have, professional quality addition to your marker collection.  Blend-friendly, with malleable, alcohol-based, translucent ink. Twin-tipped, with a broad chisel nib and fine bullet nib. High quality nibs for consistent, streak-free coverage. Skilfully versatile: it can be used on ink-resistant surfaces like acetate, glass, plastic and wood.