Vial Rack — 4 mL Vials, 50 Places

3D-printed vial rack for 50 standard 4 mL glass or plastic vials. The expanded well diameter accommodates 4 mL storage vials, injection vials, and small sample bottles. Precision tolerances ensure a secure, non-tipping fit. Manufactured from PLA or PETG for excellent chemical resistance. Numbered positions.