Infiniapps Replacement/Spare Metal Plate x2 pack: 1 plate with adhesive, 1 plate without adhesive. Compatible with other magnetic mounts Two UltraThin High Carbon Steel Insert Plates for Infiniapps Slyde CD Mount. 1 plate with adhesive, 1 plate without adhesive. Universally Compatible with all smartphones and Infiniapps magnetic stands Use adhesive metal plate to Stick onto any flat surface (rear of smartphone, or case of smartphone) with 3M tape. Use non-adhesive metal plates to place between your smartphone case and phone, or under smartphoness battery cover when applicable. Effortless quick snap and remove mounting action, innovative and seamless. *Requires original Infiniapps Slyde CD Mount.*