Dental Anesthetic Syringe, SAF-M1 Description: Dental Anesthetic Syringe, SAF-M1. High Quality dental anesthetic delivery system. The syringe handle and thumb rings are designed for a natural fit. The tip of the harpoon is designed for a perfect aspiration every time. These are performance instruments. Several models of syringes are available for dental anesthetic delivery. Made with high quality USA materials. Type A, 1.8 cc, metric thread.