Includes: 1 - 1.8mL Gun Style Intraligamental Anesthetic Dental Syringe. 2 Interchangable Cartridge Barrels. Capacity: Holds 1.8 milliliters (mL) of anesthetic solution. Stainless Steel: Made of medical-grade stainless steel for durability and resistance to corrosion. Precision: Features a ratchet mechanism for precise delivery of the anesthetic in small amounts. Designed to minimize discomfort during injections by providing a slow and controlled release of the anesthetic. Sterilization Safe: Intraligamental syringes are reusable and can be sterilized in an autoclave. They are a vital tool for dentists who perform dental procedures that require anesthesia.