... ,18/415,20/400,20/410,24/410Screw Locking System,Dosage: 3.6-4.4gApplication :medichine, cosmetis etcFor the first pump ... provide services of mould making, sampling, and surface processing, such as frosting, silk screen printing, and color coating, Custom made designs.Advantage ... have any requests, feel free to let us know. Droppers and glass pipettes