ClaimBlock Crate

The ClaimBlock Crate is opened with a ClaimBlock Key and will give you a reward of a certain number of GriefProtection Claims ranging from 100-750. It is located at -186 x, -86 z at spawn.

Loot
The probability of the different amounts of claims coming from a ClaimBlock Crate was estimated in a test below but there wasn't a large sample so percentages may be off: