Type of writing instrument: Mechanical pencil Pen features/material: Knock type Number of ink colors: 1 color This is a 30th-anniversary limited edition Dr. Grip. New, unused, and unopened. I have kept it as a collection, but I am selling it due to storage space constraints. The box has no scratches or dents and is in beautiful condition. Instant purchase is possible. Anonymous shipping. Fast shipping. Payment via convenience store/ATM is possible. Can be changed to Yu-Yu Mercari delivery. Dr. Grip, Dokuguri, discontinued item, sold-out item, limited edition, reproduction model, black, matte black, black, 30th anniversary, mechanical pencil, sharp pen, discontinued, limited color, 30th premium color, original color, 90's popular color, cyber neon color, relaxing color, street color, premium color, writing instrument, pilot, Dr. GRIP