Benefit Precisely My Brow Pencil, Ultra Fine Brow Defining Pencil, Shade 3 - Warm Light Brown, 0.08g/0.002oz, Full Size. Oh my WOW...precise & defined eyebrows! This ultra-fine eyebrow pencil draws incredibly natural-looking, hair-like strokes that last 12 budge-proof hours.. A few strokes of the rich yet blendable color will transform brows from shapeless & undefined to filled & defined eyebrows.. Comes in full size & mini. Now available in 12 shades! Twist-up, non-sharpen tip.. Built-in spoolie-brush.