The Davis Ring Size 4 Blades Only Right are specialized surgical blades designed for use with the Davis Mouth Gag Ring Frame. These size 4 blades are ideal for adult patients and are specifically tailored for use on the right side of the patient's mouth. The blades provide the necessary adjustment and support to securely hold the mouth open during oral and ENT surgeries such as tonsillectomies, laryngectomies, and other upper airway procedures.