One has a partial small hole about 1/4" deep. The largest nut is about 1-3/4" x 2-1/4", medium is 1-1/2" x 2" and the smallest is 1-1/2" x 1-3/4". All together these weigh 126.4 grams. Tagua nuts are naturally very hard and can be turned on a lathe or easily carved and all have a void in the center which varies with each nut. You can stain, buff and or polish the surface.