12x32mm low protein binding autosampler glass vials fill marks The 12x32mm Glastic Vial has a 100µL or 600µL capacity, while the 15x45mm vial has a 300µL capacity. The 12x32mm Glastic Vial is available with an 11mm Snap Ring™ Crimp Finish, an 8-425mm Screw Thread Finish or 9mm Screw Thread Finish. 12x32mm low protein binding HPLC vials