The Alternative Reef Ceramic Nano Magnetic Frag Station Beautiful handmade and sculpted ceramic custom frag station. Aprox: 5-1/8" Long and 5-1/2" Wide Includes 10 frag plugs, Includes coated inner and outer magnets Outer disc can be mounted outside of the aquarium or inside underwater Can hold up to 3/8" thick glass/acrylic, Can be placed on aquarium wall or false wall/filter area Becomes part of your aquascape, Provides an ultra-custom look that is adjustable for many applications