Nakaya Naka-ai Writer Ballpen Midori GoldThe Nakaya Naka ai Ballpen Writer in Midori finish is a simple and elegant writing instrument. The warm hues of Midori urushi combine with the gold plated trim to make this a writing instrument to remember and to cherish. Each hand turned, hand finished pen requires up to a year of production time. The Nakaya Naka ai model is available exclusively from us at Nibs. com. Nakaya ballpens use Parker gel or oil based refills the gel refills are ideal for