Activa Automix Needle Tips, with Bendable Metal Cannula, 20 Ga, Brown/Clear, 50/Pk, A50N1About this product Gauge # 20 5 ml, 5 ml, and 10 ml 1: 1 automix syringes 4. Used with Activa BioActive Restorative, Base Liner, and Cement Used for 2. 5 ml, 5 ml, and 10 ml 1: 1 automix syringes Used with Activa BioActive Restorative, Base Liner, and Cement Activa Automix Tips are 20 Gauge needle tips designed with a bendable metal cannula. Use automix tips for 2. 5 ml, 5 ml, and 10 ml 1: 1 automix syringes and with Activa BioActive Restorative, Base