3 cm in diameter and weighs approx 1 gram

You can only buy these smiley magnets at Magnetpartner

The blue divider tape is self-adhesive and sticks to the board

Red magnet with the number [9]

The ring binding mechanisms are of high quality from Germany and assembled with very strong power magnets (neodymium)

Ringbindsmekanisme 4-rings D-form UDEN MAGNETER Auto-translated (SE) 3 cm in diameter and4 ring Ring binder mechanisms without magnets. Now you can purchase the long binder mechanisms without magnets. We sell them individually, so you only need to order the exact number of locking mechanisms you need. In addition, we offer large volume purchasing options at discounted prices. Browse our pricing options on the right of this page. We have provided the ISO specifications for this 4 ring binder mechanism in our photos section. NB! We also