When intact, they would have been about the size of a fist or an orange. They are granite, carefully shaped and although they vary in size they are consistently quite evenly rounded. They had no special context,and were uncovered in every excavation of terminal architecture.
Every example is broken.
Willey et al. People who have seen net weights from outside the Maya area have told me that these are rather large and well-shaped to be net weights, which, given the proximity of the river, was my favourite explanation. I lived and worked in Huehuetenango with my principal informant, a Chuj speaker from San Mateo Ixtatan. The second day they go to the north crosses and do the same. Note that the order of visits follows the path ofthe sun, as do rituals in Zinacantan and other Maya communities.