The patented Fineline„¢ Applicators are the first precision applicators that use an air-tight non-clogging cap wire closure system to ensure that the applicator and your preferred medium are always ready for immediate use. The Fineline„¢ Applicator 3 pack comes 20 gauge (0.5mm) stainless steel dispensing tip. 2 cap sizes: 20/410 Bottle cap with 1" (2.54cm) 20g Fine tip and 24/410 Bottle cap with 1/2" (1.27cm) 20g Fine tip. Perfect fits onto Golden High Flow & Fluid bottles. 1" cap fits 118ml Bottle (white caps) & 1/2" fits 30ml (blue & white caps) One of the unique features of the Fineline„¢ Applicator is its ability to be used and interchanged with a wide variety of types and gauges of dispensing tips. FineLine Applicators are: Simple to use Non-clogging Include a cap wire closure Reusable/Durable Available with different size, length, and type dispensing tips Include an easy-handling oval bottle Air tight Absolutely guaranteed Precise. Allows for precise placement of liquids on materials such as Paper, Canvas, Glass, Ceramics, Wood, Metal and Fabric Versatile. Can be used with a wide variety of mediums including Acrylics, Inks, Gutta, Watercolors, Silk Dyes, Fabric Paints, Stains, Henna, Masking and Resist Fluid, Glazes and Waterbased Adhesives Works as a drawing tool. Able to make Free-hand Designs, Precision spots, and Continuous Lines Different Size Dispensing Tips. Accommodates diverse liquids of varying viscosities Air Tight. With cap wire closure, bottles remain air-tight preventing liquids from degrading or drying out. Always ready for use which is particularly important with liquids such as acrylics which dry very quickly.