Tisch Scientific Vial Racks for 4mL Vials, Blue Polypropylene, 9.25" x 4.5" x 1.125", 50 Holes, Hole Diameter: 15mm, Hole Depth: 22mm, One unit, CV2056 Vial Capacity 50 holes Vial Screw Top 10mm Clear Glass 1.5mL HPLC Autosampler Vials - Pack of 500 TSH-CV1874