M-Rack: One Magnet, Endless Possibilities M-Rack is a versatile magnetic mounting system for your aquarium. It brings a stylish, practical approach to aquarium accessories, with powerful magnets designed to withstand the harsh reef environment. M-Rack Magnet PUK - The ultimate magnet for aquarium accessories! Both sides and lock included - can be placed wet or dry. Works on up to 12mm (1/2") glass, depending on accessory weight. Accessories sold separately Key Benefits Quick-release mounting system lets you easily swap accessories Reusable magnets save money and reduce waste Flexible placement - both sides work in wet or dry conditions Leak-proof design engineered by underwater electronics experts No metal contamination in your tank Premium materials - strong ABS plastic magnets and high-quality CNC-cut glossy black acrylic accessories Adapt Your Setup Adjust your configuration as needed - increase frag rack size for swaps, then reclaim tank space when done. Replace unreliable suction cups with secure magnetic mounts. Expandable System Start with just one magnet to access our growing range of accessories. M-Rack grows with your hobby, providing adaptability without waste. Specifications Front half (with lock): 44mm × 44mm (W×H) Back half: 44mm × 24mm (W×H) Weight: 102g Powered by super-strong N52 Neodymium Magnets