What weight classes are used for wrist wrestling competitions?

There are wristwrestling competitions in Iowa, Minnesota, and Wisconsin. These tournaments are the only wristwrestling ones in the United States, run by 1 man. Armwrestling is a world-wide sport, and common weight classes are 154 lbs, 165 lbs, 176 lbs, 189 lbs., 198 lbs., 209 lbs, 220 lbs, and usually 221+ lbs. Sometimes it's 232+ lbs or 240+ lbs. Most tournaments won't have all these weight classes, most will be like 154, 176, 198, 220, 221+ but it depends on the tournament.