When you purchase this key, you get to choose which of the 7 items you want. This is not luck based.

In the server, you can choose one of these:

• Enchanted Netherite Helmet

• Enchanted Netherite Chestplate

• Enchanted Netherite Leggings

• Enchanted Netherite Boots

• Enchanted Netherite Sword

• Enchanted Netherite Axe

• Enchanted Netherite Pickaxe

The armor can give you more protection which makes it easier to survive while the tools can help you mine blocks faster.