Micro insert, clear glass, 1. hydrolytic glass, 9 mm tip, 0.1 ml, 31 x 5 mm, for vials with small opening, pack of 1000, LABSOLUTE® Open webshop Micro insert, clear glass, 1. hydrolytic glass, silanized, 15 mm tip, 0.1 ml, 31 x 6 mm, for vials with wide opening and 2 ml shell vials, pack of 1000, LABSOLUTE®