Item Type: Coral Frag Rack Material: Acrylic Use: Fish Tank Coral Base Bracket 1Safe Material: The coral fragment rack is made of acrylic material, which is safe, non toxic, durable and sturdy, and can be used for a long time. 23 Tier: Coral frag rack with 3 tier design, each rack with base slot, suitable for maintaining broken coral branches and cultivating small corals. 3Hanging Hook: Aquarium vertical coral frag stand has hooks that can be hung directly on the tank wall, easy to install and take out, and easy to use. 4With Base: Coral fragment holder comes with bases, ideal for cultivating live corals, with a sturdy structure that doesn't slide easily. 5Transparent Design: Fish tank acrylic coral fragment holder, transparent design, will not affect the decorative appearance of your fish tank.2 x Hanging Piece16 x Screw16 x Nut2 x Side Bracket2 x Base Platform18 x Base