Options: Variations: 88K8356 - Bushing Set for Atracia Rollerball & Fountain Pen Hardware 1 - $9.90 10 - $8.40 25 - $7.40 50 - $6.90 Bushing Set for Atracia Rollerball & Fountain Pen Hardware These soft-iron bushings are specifically sized to match the brass sleeves in our Atracia rollerball and fountain pen hardware kits.