Mitsubishi Pencil Jetstream 4&1 BAMBOO Blue Gray Retail Price: 2200 yen Brand new, unopened With the world's first revolutionary ink, it achieves a smooth writing feel that becomes addictive with low writing resistance. With the concept of "everyday writing instruments for living a lighthearted life," bamboo material is used for the pen shaft. [Ink Colors] Black, Red, Blue, Green [Ball Diameter] 0.5mm [Refill] SXR-80-05 [Mechanical Pencil Lead Diameter] 0.5mm [Mechanical Pencil Eraser] S [Size] Shaft diameter 13.7 x thickness 18.5 x total length 148.8mm Instant purchase OK Stationery sales list → #Hitsuji'sStationery Jetstream 4&1 0.5mm BAMBOO Multi-function Pen Mitsubishi Pencil