This frag rack is designed to hold up to 6-off 3cm diameter  standard coral frag plugs. It is handmade high quality acrylic with coated magnets for rust resistance and cover within extra acrylic sheets for an extra waterproofing barrier.  
 
Size:  
Rack                                       - 175mm long x 35mm wide x 30mm deep 
External Magnet for 10mm      - 65mm long x 25mm high x 5mm thick
External Magnet for 12mm      - 65mm long x 25mm high x 10mm thick