This black animal nose has a shank and is either inserted into a hole in woodworking projects or used with a retaining washer (included) to fasten the nose to fabric. Each nose measures 18mm (just short of 3/4").
If you find the washers difficult to push onto the nose we suggest heating a cup of water and soaking the washers for a minute or two. This will make them pliable enough to easily slip over the nose shaft ridges. When the washer cools it will tightly secure the nose to your project.