Design Series Pink Mirror Ball 3 Colors (Black, Red, Blue) 0.5mm Brand New Retail Price: ¥660 (tax included) Features: The "Frixion Ball 3 Slim" has a slim shaft diameter of 12.8mm, making it even easier to use and more portable. It also has a smooth, step-less shape that easily fits into pen holders in planners. This is a convenient 3-color ballpoint pen that allows you to use three colors with one pen and erase and rewrite as many times as you like. The ink colors are the basic three colors: black, red, and blue. The pen tip is an extra-fine 0.5mm type. It is suitable for writing in small spaces such as planners and documents. The clip uses the manufacturer's original lift clip. It can securely clip onto thick items and will not break even after being clipped 100,000 times (according to manufacturer test data).