Fineline Applicators-20 Gauge Dispensing Tip: 20/410 Cap. Take control over your crafting mediums like never before; Fineline Needle Applicators are stainless steel applicators that use the FL air-tight non-clogging cap wire closure system to insure that the applicator and your preferred medium are always ready for immediate use. This Fineline Needle Applicator features a 1/2 inch long 20 gauge (.5mm) needle and will fit most standard 1 to 2 ounce bottles of your favorite crafting medium such as glue, paint, stain, and more. Made in USA.