Twice as Precise! For double brow power, our Precisely, My Brow Pencil is now available in a double pack. Our Precisely, My Brow Pen cil scores with its ultra-fine lead and bold, yet blendable color that lasts up to twelve hours: With particularly del icate strokes, the eyebrow pencil fills in gaps for precisely defined brows that look absolutely natural. A few hair-thin strokes wi th this extremely thin pencil turn shapeless and sparse brows into lush and perfectly shaped triumphant arches in an i nstant!