The advantage of it is time when you need to draw a line to mark, but you don't have a pen or pencil, you can use the teeth of this rivet end khut marks instead.
Its advantage is that When you want to draw a line to mark it. But you do not have a pen or pencil, you can use your teeth to scrape the edges of the tape mark instead.
Its advantage is that When you want to draw a line to mark it. But you don"t have a pen or pencil, you can use the teeth of edge measuring tape to mark the end of this scrape instead.