Amazon.com : MUJI Wooden Shaft 2mm Lead Mechanical Pencil HB with Refill Leads (3 leads) Thick Lead School Supply : Office Products
Amazon.com : Muji 18617371 Low Center of Gravity Mechanical Pencil, White, 0.4 x 0.4 x 5.8 inches (11 x 9 x 147 mm), Lead Diameter 0.01 inches (0.3 mm) : Office Products