This is a set of 5 micro syringes. Some syringes have writing on them. The 5 syringes in the photos will be sent. Hamilton micro syringe 0.5ml Luer tip type, ground glass tip The body and pusher show signs of use. No outer box, glass syringe HAMILTON MICRO SYRINGE (700 series) 700 series micro syringes have an accuracy error of within ±1%. Their high performance is recognized in laboratories around the world, and they are used as the standard for syringes. Specifications Needle sold separately Model number: 750 Luer tip LT standard type Capacity: 500μL