The pips on this die are threaded and designed to thread into the die's shell. The center of the die is hollow and divided into 6 separate pieces. If you keep the die dry then it will be fair. had water or any other heavy material to a side and it will be loaded.
Model has been tested. It is water tight and threads fit perfectly.
2 extra pips of each of the 3 smallest sizes have been included incase you lose one.