OHTO Minimo Ballpoint Pen with Card Holder
This very small ballpoint pen is a perfect companion for your Sketch Wallet. At 3.5 inches (9.0 cm) it easily fits into any wallet. It's so slim you can fit it into the pencil holder along with other drawing tools. It comes with a convenient pen holder the size of a credit card and can slide into any credit card pocket. Ballpoint size is 0.5mm with black ink.