↑ 102: Kouba Key

• Made in Czech Republic [2005].
• Weight: 33 g.
• Hexagonal holes fit 6, 8, 10, 13, 14 and 16 mm. nuts, but only if you first remove the paint from the inside of the holes.

↑ 103: Kouba Opener

• Made in Czech Republic [2005].
• Weight: 54 g.
• I do not understand why the holes are round when the holes on the Double (which has the same handgrip shape) are hexagonal to let the tool be used as a wrench.

↑ 104: Kouba Double

• Made in Czech Republic [2005].
• Weight: 64 g.
• The double fingers are for pulling triggers on caming units. Hexagonal holes fit 8, 10, and 13 mm. nuts but only if you scrape the paint off.