Rare Vintage NOS Rotring Eraser Refill Bar/Stick or Cut to Fit for Tikky/Pro/Other
Amazon.com : Rotring Mechanical Refill Erasers for 600 and 500 Pencils, 5-Pieces (502720) : Office Products
Rotring Tikky Mechanical Pencils Set With Pencil Refills And Eraser 0.5mm Precision Lead For Drawing Sketching White Black - Mechanical Pencils - AliExpress