6" long so you can reach into any bottle.ontamination is the new buzzword in this industry and now that we have really started thinking about contamination it is amazing how many ways we contaminate urethane or primers. How many times have you put a dauber in a bottle, put some primer on a pinchweld and then put the dauber back in the bottle? It is possible the whole bottle is contaminated when you do this. These applicators are easy to use. The cotton tip of the applicators are small so you will not drip urethane on the upholstery. They are so inexpensive that after you use one you can just throw it away and get a new one.