藉由在磁铁面上方加上橡胶素材,许多资料都能牢牢夹住,不会脱落。而且M size竟能夹到约90张、L size约130张,这就是它的厉害之处。
By adding rubber material above the magnet surface, many data can be firmly clamped and won't fall off. Moreover, M size can clip about 90 and L size about 130, which is what makes it powerful.