The 201 series is the standard 2.0 ml inner-spring lotion pump for body-care packaging. A machined piston chamber holds the dose steady from the first stroke to the last, and the ribbed inner collar grips the bottle neck without over-torquing during capping. Moulded in PP with a smooth collar, it takes colour matching, silk-screen, hot-stamp and metallised finishes. Suction tube length is cut to your bottle height, and the pump ships assembled with an overcap so filling lines can run without extra handling.