Schmidt Safety Ceramic Rollerball Green Fine Point 0.6 mm Metal Tube Refill-1pkt SCHMIDT Technology – specialist in writing technology introduces completely new writing instrument refill. Schmidt Safety Ceramic Rollerball Green Fine Point 0.6 mm Metal Tube offers great performance and easy handling. SCHMIDT Safety Ceramic Rollerball Refills avoid drying by the mode of sophisticate ventilation system and are designed for use in writing instruments that are without perfect sealing cap. The tip of refill glides easily and smoothly over the paper. Most of the pen manufactures in the globe rely on ink refills produced by SCHMIDT Technology.