The ball-end wrench has a unique end which allows it to be inserted into the hex screw at an angle. This facilitates clinical handling of the screws in patients where the cheeks do not allow direct access to the screws.
The Traditional Herbst Mechanism uses rods and tubes. The lower r...
This includes:
This wrench is easier to handle and more durable than the "L" sha...
The Flip-Lock mechanism has a ball and swivel type of attachment ...