Brand

• check Kaweco(2)
• check OHTO(3)
• check Pilot(28)
• check Traveler's Company(1)

From

• check Japan(29)

The width of the tip

• check 0.3(3)
• check 0.5(10)
• check 0.7(7)
• check 0.9(3)
• check 2.0(2)
• check 3.2(1)
• check 3.8(3)
• check 5.6(1)

Hardness of the mine

• check 2 A.M.(1)
• check 2B(6)
• check 3B(1)
• check 4B(1)
• check 5B(2)
• check 6B(1)
• check B(7)
• check H(3)
• check HB(8)