Lay down precisely the marks you want to make in 12 cool grey tones with Prismacolor Premier Double-Ended Art Markers. The dual-ended design features a fine tip on one end and a large chisel on the other. This allows you to quickly flip between precision and coverage. The entire range of cool grey ink shades are richly saturated and designed for an effortlessly smooth flow while a single source of ink ensures color consistency at both ends. And the advanced, alcohol-based pigment resists fading so your creations will endure.