Ballpoint pen refill. Ballpoint cartridge for STABILO COM4ball and STABILO EASYball. Length: 100 mm. Durable refill for long writing duration. Vivid and easily readable color. Innovative writing instruments for creative individuals. STABILO is one of the leading stationery manufacturers in Europe. The products cater to students, artists, and designers in over 180 countries. With operations in Germany, the Czech Republic, and Malaysia, the company is also an important employer, creating new jobs in various regions. It draws on over 160 years of experience in the business. Through innovative, high-quality, and appealing products, STABILO has become a brand that is highly valued in many classrooms and offices. Notably, the world’s first highlighter, the STABILO BOSS, launched in 1971, has secured its place in numerous pencil cases and on many desks.