Be confident in your purchase we're an Authorized Coral RX Dealer. How cool is that?!?!? Features: Magnetic Frag Station Rack Holds 14 Frag Plugs Includes Removable External Fragging Tray For Use on Glass Acrylic Aquarium Walls Up to 3/8" Thick Tray Weight Capacity = 12oz. Black Black / Blue versions Fl!PPER Magnetic Frag Station Frag Rack is designed to securely hold up to 14 frags for easy observation, acclimation, and display. Perfect for glass or acrylic aquarium walls up to 3/8? thick. Perfectly sized for most standard frag plugs and discs (20-30mm, 38mm round plus 20mm square discs can be accommodated). Unique external fragging / utility shelf with simple slide on/off attachment works as a great workspace to help with various aquarium projects. Made with high-quality acrylic and strong watertight sealed rare earth magnets. Happy Fragging!