Hplc Vial Inserts at Thomas Scientific. Autosampler HPLC Vials, 4.0mL. Chemglass. This vial is designed to work in Shimadzu and Waters WISP™ 48 position auto samplers. Choose from clear or amber borosilicate. These vials incorporate the unique Step Vial design that precisely centers a limited volume insert in the neck of the vial.