1. With the protection of the magnet surface, can prevent the magnet from disrepair fall off.
2. Easy to take out (Have finger mark)
3. The number of the paper can be adjusted by the small screw.
4. The cover which prevent the card from falling off.
5. Closed by fastener
1. Don’t have the function of magnetism. Please keep away with the over-magnetic field.
2. Tighten the screw, don’t let it fall off.