G21-04 G2104 Jennings Mouth Gag 6" Spread Large G21-03 G2103 Jennings Mouth Gag 4 1/2" Spread Medium G21-02 G2102 Jennings Mouth Gag 4" Spread Small G21-01 G2101 Jennings Mouth Gag 3 1/2" Spread Infant Size