Oct 2014. These are the normal length neck adapters where the shaft length stays the same no matter the size of the neck ball. For Triad Toys Alpha female bodies. 5mm, 6mm, 7mm, 8mm, & 10mm ball sizes. You get a total of 16 neck balls for the low price of $19.99. Can be used in other bodeis as well. Due to the vast number of heads and bodies out there, some modification may be needed to make these work with your head of choice.