Feature: 1. CLEAR ACRYLIC: Fish tank acrylic coral holder is made of premium clear acrylic that is safe for corals and fish and is durable. 2. ROUND DESIGN: Aquarium acrylic coral holder features a rounded design that allows for easy insertion of corals into the holder. 3. MAIN USE: Coral frag rack is used to hold transplanted corals, button corals or broken corals, providing a platform for corals to propagate and grow. 4. AQUARIUM CORAL DECORATION: Acrylic coral frag rack helps to provide support and stabilize coral plants and is ideal for aquarium coral decoration. 5. USE METHOD: Aquarium coral frag rack is suitable for coral holders or can be placed alone for use somewhere in the tank. Specification: Item Type: Aquarium Acrylic Coral Holder Material: Acrylic Use: Aquarium Round Coral Bracket Base Diameter: Approx. 28mm/1.10in Thickness: Approx. 4mm/0.16in Base Height: Approx. 6mm/0.24in Base Diameter: Approx. 12mm/0.47in Total Height: Approx. 16mm/0.63in. Package List: 5 x Aquarium Acrylic Coral Holder Note: Please allow some error due to manual measurement.