Outer Limits 4x4 Board

My rims are as stated and i have tyres on which are 33x12.50x16.5 now first question is why the hell 16.5"??
Second question is they are 9.75 wide, why not 10"

This is stamped on them.
They were on the vehicle when i purchased it.

Wozza244 wrote:My rims are as stated and i have tyres on which are 33x12.50x16.5 now first question is why the hell 16.5"??
Second question is they are 9.75 wide, why not 10"

This is stamped on them.
They were on the vehicle when i purchased it.

16.5 inch rims and tyres are very uncommon over here, 16.5 are more common in the U.S.