The touch up paint pen is used to repair small nicks and scratches that require pinpoint accuracy. It can be used on the shop floor, resold to dealers and included with finished products enabling end users to cover any blemishes caused by assembly, shipping, handling, or daily use.The paint pen contains 13 fl. oz. of high performance touch up paint. It is very portable, easy to store and use. You simply charge the nib by depressing it until saturated with paint and let the product go to work, touching up any blemish with pinpoint accuracy. The paint pen applicator nib is designed so that you are able to use the wide angle edge to cover larger blemishes or the narrow angle edge for more precise coverage.