String art nail stopper

This device is only the blue piece. It is use in string art, to get all of the nails in the board the same height. The larger end has a 1mm crush rib on the larger end of the blue piece. The will make the piece snug onto the nail holder.

To install, You will have to file the smaller tube for the skinny silver bar to glide smoothly through it. Once you do that, put the larger cylinder end on first and push it all the way up until the larger cylinder is in-contact with the wood handle.