Gradient black three-color ballpoint pen with a 0.5mm tip for smooth writing. It has a high-class design. - Model Name: FRIXION 3 COLORS - Color: Gradient Black Black, Red, Blue - Function: 3-color ballpoint pen - Pen tip thickness: 0.5mm The ink remains, but some are faint or don't come out, so replacement is necessary. There are no scratches or scuffs, and the rubber parts are clean. Type: Multi-color ballpoint pen Ink: Water-based Features: Erasable by friction Body material: Plastic Popular model: Frixion Ball Model number: 3