Applicators set includes 3 ounce bulb, plated connector and 14, 16, 18 and 20 gauge applicator tips. Applicator is perfect for designing and precise decorating of pottery and clay as it is , easy to use and clean. It finds application in slip trailing, writing, painting or other decorating uses. Filling and Cleaning: in terms of filling, we also provide funnels for quick filling, and dredging pins for cleaning plastic steel needles, which can help the needles to be reused Wide Range of Uses: in addition to being applied for glazing ceramic bottles, our products can also be applied for smearing and caulking other thin liquids; Some small sized needles are a bit slender, please note that the filled liquid should not be too viscous, which may affect the release of the liquid