Color (Body): Modern Wood Overall Length (mm): 145 Type: Multi-color gel ink ballpoint pen Mechanism: Clip slide knock type Maximum Diameter (Φmm): 12.8 Compatible Refills (Eraser): LFBTSRU10-B Ink Colors: Black, Red, Blue Tip Ball Diameter (mm): 0.5 (Extra Fine) Refill: LFBTRF30EF Ink: Frixion Ink Number of Colors: 3 Brand New Retail Price: ¥660 (tax included) *Price negotiation not accepted 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 makes it easy to insert into a planner's pen holder. This is a highly 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 areas 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).