Feature: 1. Premium Material: Coral frag rack is senior acrylic material, can be used in saltwater aquarium, even long term use will not affect the coral and water quality. The matching screws are metal free and will not oxidize. 2. Fluorescent Color: Rack has fluorescent color design, you can install the fluorescent plate on the surface of the bracket, under the LED light, so that your coral tank aquascape is different. 3. Professional Design: Acrylic coral frag rack is perfect for helping broken corals grow or cultivating live corals, suitable for all kinds of coral growth and propagation. 4. Applicable: Acrylic coral frag holder is used to place the coral firmly and make sure it won't slip off. Suitable for fish tank, aquarium, etc. 5. Strong Suction Cups: Rack is equipped with strong suction cups, twist to tighten the suction cup nuts to achieve strong adsorption does not fall off, easy to install, easy to clean. Specification: Item Type: Coral Frag Rack Material: Acrylic Size: Approx. 150x150x55mm / 5.91x5.91x2.17in (Including Suction Cup) Size: Approx. 140x140x55mm / 5.51x5.51x2.17in (Excluding Suction Cup) Hole Diameter: Approx. 13mm/0.51in Use: 13 Holes Fluorescent Green Fish Tank Coral Holder Number of Hole Holders: 13. Package List: 1 x Coral Frag Rack2 x Suction Cup Note: Please allow some error in manual measurement.