The Schmidt Black P900/9000 Ballpoint refill - Fine. SCHMIDT Technology – specialist in writing technology introduces completely new writing instrument refill “Schmidt Black P900/9000 Ballpoint refill - Fine”. The tip of SCHMIDT easyFLOW 9000 glides easily over the paper and even after a longer pause the ink flows instantly. The series meets the demand of customer for premium writing system. The refill is combined with the good qualities of well-known ballpoint refill with those of Rollerball refill presenting a completely new market segment in the area of writing tools and has found very big response.