1pc rOtring Isograph Needle Pen 0.1-0.8mm Repeated replacement nib Addable Ink hook line pen Hand-painted/ Drawing Pen

Rotring Isograph Technical Pen Replacement Nib - 0.50mm

Rotring Rapidograph Technical Pen Replacement Nib - 0.10mm

Rotring Ink Pens Set, Rotring Isograph Pen, Rotring Isograph Set

Rotring Isograph Master Set 3X Technical Pens (0.20mm, 0.30mm, 0.50mm), 1x Tikky Pencil + Accessories - AliExpress

1pc rOtring Isograph Needle Pen 0.1-0.8mm Repeated replacement nib Addable Ink hook line pen

Designed and manufactured with precision for optimum performance. 3-pen set of high-precision technical pens with refillable ink reservoirs is perfect for College-level students. Wear-resistant, hard chrome-plated thin tip allows exquisite detail work. Nib is crafted from stainless steel. Push-on sleeve provides easy access to ink helix and fast cleaning. Color coded barrel indicates line width. Refillable ink reservoir is ideal for frequent drawers.

Rotring Isograph College Set

rOtring Isograph Technical Drawing Pen, Replacement Nibs, 35 mm : Everything Else

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 Isograph Set, Technical Pens + Accessories, High Precision Technical Pens with Refillable Ink ,Wear Resistant - AliExpress

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