These metal 2 pin clip defiantly do the job they were designed
for. However they are exceptionally sharp, and one of the adults
using them cut there finger very deeply. So when sliding the
moving securing clips that hold the pins be very careful.
This is why i rate a 4 star, because they are easy to put together
and easy to secure into a book/folder using double sided tape.
A good buy, just be warned they don't look sharp, but they are!!