Use to glue on coral frags you would like to grow on walls of tanks instead of gluing to aquarium glass or acrylic.
Just glue the coral to one side of the cap and use the other magnet cap to hold up the piece.
Caps are 3D printed plastic PLA.
Magnets are 12x6mm in size. Coral Cap is 25mm in diameter. Magnet Cap is 17mm in diameter.
3 Coral Cap Lite sets. ( 1 set includes one 25mm coral cap and one 17mm magnet cap.)