Meet Your Various Needs: There are 160 dispensers in 16 different sizes, 10 of each size, a sufficient number of different sizes to meet the needs of your daily use. Durable Material: These blunt-ended liquid dispensers are made of high-quality plastic for a strong, sturdy construction that won't break or deform, making them extremely durable. A Good Helper: These blunt-ended liquid dispensers are perfect for applying essential oils, glues, inks, perfumes, lubricants, sealants and more. Design: The tapered front of this plastic tapered needle is designed to provide a smoother flow of viscous fluid to ensure accurate placement. Wide Application: These blunt-ended liquid dispensers can be widely used in the production of electronic components and hobby crafts.