SWAY Combi Duo pen with two easily interchangeable tips thanks to its rotating system. Case with 5 double-ended ballpoint pens with 10 available ink colors (body in the same color as the ink). The complete range allows up to 25 different combinations. Approximate writing length of 650 meters. 1mm tip. Original design created by the MILAN R&D department. Pen measures: 13.7 x 1.7 cm. 1.2 cm Ø. Colours: blue - red, black - green, lilac - light green, pink - yellow, light blue - orange. The case allows you to fold the lid and arrange the pens in a comfortable desktop display.