Wide opening amber 2 mL screw top vials with patch for sale 2mL Amber Glass (12x32mm) with Graduated Marking Spot Wide For further inquiries please contact us. Specifications. Sciencix Part #, 11-1057. Vial - Cap Type, Screw Thread. Get Price Vial, Screw top, Amber with write-on spot, certified, 2 ml, 100 pc/PAK