Prima Shot 50cc Repeater Syringe; The Prima-Shot 50 mL repeater syringe adjusts from 0.5 mL to 5 mL in 0.5 mL. increments, and features an easy to grip dose adjuster dial to make dosing changes easy. Features a heavy duty Tritan Barrel that is BPA-free, highly chemical and scratch-resistant, and has chemical compatibility that surpasses both polycarbonate and polypropylene.