Rotring Isograph pen replacement nib 0.1mm-1.0mm for choose 1piece/lot

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1pcs German Rotring ISOGRAPH Engineering Drawing Fineliner Needle Pen Fine Point Multiple Nibs Art Marker Fillable Ink - AliExpress

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rOtring 1903394 Isograph Technical Drawing Pen, 0.1 mm : Everything Else

Rotring Isograph Technical Pen Replacement Nib, Isograph

Vintage Rotring Isograph Stainless Steel 0.1mm/ 0,5mm Tip Technical Pen NOS In Carton Box 3501179033945

Rotring Isograph Technical Drawing Pen, Replacement Nibs. 0.18 0.2 0.25 0.3 0.35 0.4 0.5mm. For Tracing, Vellum Drawing Paper - Gel Pens - AliExpress

Rotring Tikky Graphic pen black Pigmented ink Porous-Point Drawing design Pen 1 piece