This 23-hole acrylic coral frag bracket is specially designed for aquariums and fish tanks. Adopt quality materials, safe, . This stand is only designed for use in aquariums. Note: Do not use these brackets for unexpected purposes. It does not release and produce any harmful substances to fish and corals. Features -Color: Transparent -Material: acrylic -Size: 24.20X5.50X10.00cm/9.51X2.16X3.93in Number of holes: 23 Hole diameter: 13mm Number of suction cups: 2 : Bending angle of the : 30 degrees - Acrylic materials are generally considered to be materials for aquarium equipment and accessories. - By placing the buttons through the front curved version, the the coral and buttons grow healthier. - Perfect rack for cultivating living coral or helping broken or button coral to grow. - Screw adjustable design suction cup can help the rack to suck firmly on the glass. - Suitable for holding SPS button coral and broken coral. Package list: 1 x coral frag rack