Item: Adjustable Rodent Mouth Gag Stainless Steel12 Cm Long Opening 4" Rodent Cheek Openers for Small Animal Mammals Mouth openers Dentistry which is designed to be easy to use for all veterinarians. Material: J-Stainless Steel Size: 12 Cm Overall Length & Opening 4" Cat #: ZA-20-205-00 Packing: Adjustable Rodent Mouth Gag Stainless Steel12 Cm Long Opening 4" Rodent Cheek Openers for Small Animal Mammals Mouth openers Dentistry which is designed to be easy to use for all veterinarians. Description: A heavy-duty rodent mouth gag is a, often stainless steel, veterinary instrument designed to securely hold a small animal's mouth open for safe, detailed, and unobstructed access to the oral cavity. It is primarily used for dental procedures, oral exams, and endotracheal tube placement in rodents like rats, mice, guinea pigs, and chinchillas.