There are two different versions of this pattern available.

The first version will give you a 6 inch square if you use a 4mm hook and a DK weight yarn. Or it will give you an 8 inch square if you use a 5mm hook and a worsted weight yarn.

The second (or extended) version will give you a 10 inch square using a 4mm hook and DK weight yarn. Or it will give you a 12 inch square if you use a 5mm hook and a worsted weight yarn.