12 Pcs, 20-400 Glass Dropper with Graduated Marks 7x89mm for 2oz Boston Round
This is a Black PP Plastic 20-400 Ribbed Skirt Dropper Assembly with Rubber Bulb and 89 mm straight tip glass pipettewith yellow graduation marks at. 25. 5. 75, and 1 mL. (fits with a 2 oz glass boston round bottle).