Origin : Mainland China Type : fish Product Name:Reefing Art Super Clear Acrylic Magnetic Coral Frag Plugs Rack Holder Fish Tank for 15 - 20MM Glass Thickness Mini / Medium Slimracks use strong waterproof sealed N52 Magnets good for up to 5/8" thick aquarium wall. If your aquarium wall is over 5/8" thick or if you wish to hold heavy load on rack, werecommenduse ourMedium Max / Large Max racks. Medium Max / Large Maxracks usewaterproof sealedN52-MAX Neodymium Magnetsthese super strong magnets hold your rack steady on up to3/4" aquarium wall. Designed and manufactured by reefing art aquarium. Create additional space on the aquarium wall to grow, display coral frags. Only top grade materials are used to ensure the best / strongest frag rack in the market. ---MAX LOAD:holds up to 41pc 1 inch frags. ---MAX MAGNETIC STRENGTH:holds on aquarium wall up to 1 inch thick. Guarantee the strongest Magnets in market compare with similar products. ---MAX ADAPTATION:1/2" frag holes fit most frag plugs, strong magnets hold steady on glass, acrylic, or even plastic stock tank containers. ---MAX SERVICE LIFE:Waterproof / triple protected magnets & High quality cell cast acrylic, built to last a lifetime. ---MAX CUSTOMER EXPERIENCE:Lifetime customer support by Reefing Art Aquarium Mini Rack: Size: 4.5" x 3" Magnets: N52 NeodymiumMagnets ( 1 pair ) Frag quantity: 8 small 1inch frags / 5 Large 1.5inch frags Reefing Artrecommendfor up to 5/8" thick glass formax security. Medium Slim Rack: Size: 8" x 3" Magnets: N52 NeodymiumMagnets ( 2 pairs ) Frag quantity: 16 small 1inch frags / 9 Large 1.5inch frags Reefing Art recommendfor up to 5/8" thick glass for max security. Medium Max Rack: