18/410 Bottle cap with 1/2 in. 20g Fine tip. Designed to fit onto other products bottles; fits most standard 1/2 To 1.5 oz. bottles of your favorite crafting medium such as glue, paint, stain and more. Does fit standard Fineline™ Applicator bottles too. Fineline Needle Applicators are stainless steel applicators that use the Fineline air-tight non-clogging cap wire closure system to insure that the applicator and your preferred media are always ready for immediate use. This package contains three 20 gauge (.5mm) dispensing tips with a 18/410 cap