Stats on a gargantuan greatclub?

[Wippit Guud]

This would be a huge-sized giant weilding a 2-handed greatclub... I'm pretty sure it's 4d6, just wanted to double-check.

 

[Camarath]

I believe as of 3.5 the damage should be 3d8, one increase from 1d10 to 2d8 and another from 2d8 to 3d8.

From SRD
Table: Increased Damage By Size
Old Damage (Each)* New Damage
1d2 1d3
1d3 1d4
1d4 1d6
1d6 1d8
1d8 2d6
1d10 2d8
2d6 3d6
2d8 3d8
* Repeat the adjustment if the creature moves up more than one size category.