12 Pack - Schmidt 5285 Extra Fine Rollerball Metal Refill - Black Ink Extra Fine 0.5 mm TC ball Safety RollingTube refill with metal tube and stainless steel tip. Fits 98% of all Rollerball pens that accepts a standard size refill. Stainless Steel Needlepoint tip with 0.5 mm Tungsten Carbide ball. Refill Reads: Safty rolling tube 5285 EF Made in Germany - Distributed by Lanier Pens - USA, Ensure TOP Quality product - buy direct from Distributor!