0.1ml Insert Small Opening, 5mm x 31mm, Clear, Conical, 15mm Tip: 100/Pk: 702005: 0.25 mL Insert for small opening outer diameter: 5 mm x 31 mm clear,flat bottom: 100/Pk: For ND9 / ND10/ ND11 Vials: 702813: 0.2ml Insert for wide opening vial 6mm x 31mm clear, conical 15mm tip: 100/Pk: 702716: 0.25 mL Insert for wide opening 6 x 31 mm clear, conical, 12 mm tip: 100/Pk: 702818: 0.1 mL Insert for wide 5.7 x 29 mm clear, with assembled spring