Egg Cracker With Salt Shaker Ovo. Place the egg cracker on the egg. Pull the ball and let it spring back to give the egg a crack. Remove the shell if necessary. The integrated salt shaker can be adjusted to a big or a small opening. For storing the salt shaker can be closed. Ø 4,1 cm, h 16,9 cm High-grade stainless steel/plastic. Place the egg cracker on the egg (no matter whether hard- or soft boiled). Pull the ball and let it spring back to give the egg a crack. Remove the shell if necessary. The integrated salt shaker can be adjusted to a big or a small opening. For storing the salt shaker can be closed.