Electrons and Electron Microscopy: Quantum Electron Microscopy Introduction (De Gruyter Textbook)

Pentel GraphGear 800 Mehcanical Pencil, 0.7mm, HB lead, 4 count

Pentel GraphGear800 Automatic Drafting Pencil (0.7mm) 2pk (PG807BP2)

Pentel Arts GraphGear 1000 Automatic Drafting Pencil (0.9mm), 1 Pack

Pentel GraphGear 1000 Automatic Drafting Pencil (0.7mm), with Eraser Refills, 1-Pk (PG1017EBP)

Pentel Arts GraphGear 500 Premium Drafting Pencil, 0.7mm, Blue Barrel, 1-Pack (PG527CPABP)

Pentel GraphGear 500 Automatic Drafting Pencil, 0.9mm, Gray, Pack of 6

Pentel Packaged Graph Gear 1000 Automatic Drafting Pencil, 0.3mm, Brown Accents (XPG1013)

Pentel of America, Ltd. : Graphgear 500 Pencils, Refillable, .7mm, Blue -:- Sold as 2 Packs of - 1 - / - Total of 2 Each