n52 Heavy Duty Aquarium Magnet, Strong Neodymium Waterproof Magnets with Plastic-Coated, Rare Earth Magnets for Fish Tank Breeder or DIY Cleaning Brush
Waterproof Strong Magnets:new design magnet for aquariums, magnet wrapped in plastic with excelent waterproof and anti-rust ablity, can be used in water for long time
n52 Neodymium Magnet:made from n52 material, neodymium-iron-boron alloy (ndfeb), with smooth plastic surface
Extreme Durability for thick walled aquarium tank, stick firmly, magnetic field strength 3030 gauss, easily go through every corner of the fish tank
DIY Magnets:can be used to fix fish tank lights, heaters, breeder boxes, divider boxes, fish tank decorations, etc.
Package: dimension:diameter 33mm*thickness 8.3mm(approx.1.3"x0.33" ), pack of two magents