Graduated Dropper Pipettes set includes two glass droppers with two rubber caps, designed for precise liquid transfer in a compact, reusable package. Key benefits Precise liquid handling: clear scale lines enable accurate measurement, with a minimum division of 0.01 ml. Durable and reusable: made from thick borosilicate glass with temperature and corrosion resistance, suitable for repeated use. Practical caps: rubber caps provide strong suction to absorb liquids. Versatile applications: ideal for transferring liquids such as essential oils, acids, solvents, and other small volume samples in the lab, classroom, or microbiology settings. Specifications Pipette capacity: 2 ml Pipette diameter: 8 mm (0.31 inch) Pipette length: 200 mm (7.9 inches) Minimum division scale: 0.01 ml Material: Borosilicate glass, rubber Color: Clear Package contents: 2 x Dropper Pipettes, 2 x Rubber Caps Material and performance Borosilicate glass construction provides thickness, durability, and resistance to temperatures and corrosive liquids. Clear, readable scale lines facilitate precise volume measurement. Rubber caps deliver strong suction. Use scenarios Laboratory work: transferring precise volumes of liquids, solvents, or reagents in experiments. Teaching: demonstrations and experiments in classroom or lab training. Microbiology: handling small volumes of media, reagents, or samples that require accuracy and repeatable results. Instructions for use 1) Clean the pipette and blot up the tip inside and outside with filter paper before use. 2) Insert the rubber cap sleeve into the mouth of the pipette and fix it. 3) Submerge the pipette into the liquid container, then squeeze the rubber cap to absorb the solution. 4) After suction is complete, squeeze the rubber cap again to dispense the solution. 5) Clean the pipette promptly after use.