gold label detailing fine line fluid writer paint applicator pen | precision touch up paint | perfect for rock chips and scratch repair | .5mm tip brass construction gold label detailing the gold label detailing fine line painting pen is the perfect tool for precision touch up painting application. the knurled weighted handle will allow you to apply fine paint lines to any surface with accuracy and a steady hand. easy to clean with the included stem cleaner. with a tip size of .5mm it is perfect for use with metallic automotive paint.