Amazon.com : XENO 2.0 mm Lead Holder Pen Mechanical Pencil for Draft Drawing, Carpenter, Crafting, Art Sketching Sharpener (Pack of 3 Pens) + (2.0mm Hb Lead 1 Tube-Red 4+Blue 4 + Black 4=12) : Office Products
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Staedtler 0.5mm Mechanical Pencil Night Blue Series (925 35 05)|Standard Pencils| - AliExpress
Amazon.com : Staedtler Triplus 338 Fine Pen Blue 1 Piece Blue Fine Pens (Blue, Blue, Triangle, Water Based Ink, 0.8 mm, Germany) : Mechanical Pencils : Office Products