My current collection. Pictured are rOtring 800, Pentel GraphGear 800, Uni Kuru Toga (x2), Alvin Draft/Matic, Pentel P209, Pentel P207, Staedlter Mars Technico, and a Sheaffer. : r/pencils
Pentel GraphGear 800 Drafting Pencil - 0.7 mm - Blue Body | JetPens
Pentel Graph Gear 800 Mechanical Drafting Pencils 0.7 mm Blue Barrel Pack Of 2 - Office Depot