Gorilla Super Glue Brush & Nozzle offers two easy ways to dispense for control and accuracy. Brush & Nozzle features a precision tip nozzle and fine bristle brush that allows the user to control their super glue application, making it perfect for any project. Use of the brush versus the nozzle is up to the user?s preference. The fine bristled brush is designed for controlled coverage with less mess. The precision tip nozzle is designed for quick, easy dispensing. Gorilla Super Glue Brush & Nozzle uses the same formula as original Gorilla Super Glue. Developed for long-lasting repairs in an instant, Gorilla Super Glue dries in 10-45 seconds and is reinforced with rubber for increased impact resistance. We call it Impact-Tough because it stands up to wear and tear unlike any other super glue. In addition to its high-performance formula, we?ve added an anti-clog cap with a metal pin inside to ensure an airtight seal for maximum reusability. Super glue, also referred to as cyanoacrylate glue, or CA glue, works on a variety of materials, including plastic, metal, fabric, stone, ceramic, paper, rubber and more. It?s Gorilla tough, every time. If used and stored according to directions, the brush should not harden in the glue. It is not recommended to leave the brush out of the bottle unless it is being used for application. However if left open to air for 1-2 minutes, it remains usable. For high performance and usability, the adhesive needs to be protected from air. One way keep the air out of the adhesive is by packaging in thick plastic bottles. Because of this thick plastic bottle, it might appear that the bottle is only half full when new. The bottle is not completely filled on purpose to make it easier to squeeze the glue out. Gorilla Super Glue should not be used for intentional contact with the skin. Click on the Gorilla link at the top of this page to see other quality products from the Gorilla Glue Company.