20/410 Bottle cap with 1 in. 20g Fine tip. Designed to fit onto other products bottles; fits most 2 oz. bottles such as Golden Acrylics, and most Crafters Choice bottles. Does not fit other Fineline™ Applicator bottles. 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 20/410 cap.