ART BIN-Pen & Nib Case. Organize and protect your fine writing and drawing instruments in this clear plastic storage case. Inside are five total compartments– four measure 1-5/8×1-7/8 inches for holding a nibs and one measures 1-3/8×7 inches for holding pen bodies. The lid is hinged with a basic snap-shut closure. Overall dimensions are 3-5/8×7-3/8×11/16 inches. This package contains one Pen & Nib Case. All pens and nibs sold separately. Not recommended for use with ammonia-based inks.