"O" Ring or DP Lock Mouth Limit Control – the locking mechanism is to be attached onto one of dental pole ( rod ) mounts. The DP lock is used to keep the lower jaw open limit on desired level.
The mouth adjustable, mandible opening limit "O" Ring Lock allows you to practice, training, teach dental techniques, and how to work with various patients.
Mounts, Models on pictures are not included
Sold one DP Lock Mouth Open Limit control