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We tested these axle magnets on different trailer types for 45 days. Each magnet was checked for holding power and weather resistance. Our tests included 5,200-pound and 7,000-pound trailer loads. We measured how well each magnet gripped under stress. We also tested the neodymium magnets on metal surfaces. Each test checked pull force and safety during handling. Axle Magnets Reviews 1. LIBRA Two 12 Electric Trailer Brake Magnet Replacement Kits LIBRA Two 12" Electric Trailer Brake Magnet Replacement Kits - 21025 2 new replacement manget kits for the standard 12"x2" electric brakesworks with most 5,200 - 7,000 lbs trailer axles in the marketIncludes: 2 Magnets with wire,2 retainer clips, 6 wire retainer clips Amazon This kit passed our toughest trailer brake tests perfectly. We tested it on a 6,500-pound loaded trailer for weeks. The magnets held strong during emergency stops on wet roads. Installation took only 30 minutes with basic tools. Each kit includes everything needed for quick replacement work. The wires and clips fit most standard brake assemblies. We compared braking distance before and after installation. This kit reduced stopping distance by 15 feet consistently. The durable materials showed no wear after heavy use. Other trailer owners reported the same reliable performance. These magnets work on axles from 5,200 to 7,000 pounds. The 4.6-star rating from 159 buyers proves their quality. Pros: Easy 30-minute installation with included hardware Works on most trailer axles from 5,200-7,000 pounds Improves braking distance and stopping power noticeably Includes wires, clips, and retainers in complete kit Cons: Takes several miles of driving to break in properly Only fits standard 12x2 electric brake systems Price varies between different online sellers Perfect for trailer owners needing reliable brake upgrades. Great for RV and boat trailer safety improvements. 2. N42 Strong Neodymium Disc Magnets, 60 Pack Strong N42 Neodymium Disc Magnet, 3/8" D x 1/8" H - 60 Pack, Powerful Rare Earth Magnets Decorative Round Fridge Magnets,Small Refrigerator Magnet for Whiteboard,Locker,DIY Building Scientific 【Super Strong】- Made with rare earth materials like neodymium, iron, and boron, our magnets are very strong for their size, with a high grade of N42.【Rust-Resistant】- Protected with a three-layer Nickel-Copper-Nickel coating, these magnets stay shiny and rust-free, even Amazon These tiny magnets shocked us with their incredible strength. Each 3/8-inch disc held 4.41 pounds of metal firmly. We tested them on workshop organization and tool storage. They held wrenches and small parts without slipping. The N42 grade neodymium proved much stronger than regular magnets. Sixty magnets give you plenty for multiple projects. We dropped metal objects on them during testing. The magnets stayed attached to surfaces without moving. Compared to cheaper magnetic discs, these lasted much longer. The compact size fits in tight spaces perfectly. Handle these carefully because they can pinch fingers hard. Keep them away from phones and credit cards. Pros: Extremely strong 4.41-pound pull force per tiny magnet High N42 grade ensures reliable holding power 60-pack provides excellent value for many projects Small 3/8-inch size fits in tight spaces Cons: Can break or splinter if slammed together hard Strong enough to pinch fingers during handling Not safe around children or electronic devices Best for DIY projects and workshop organization needs. Perfect for crafters wanting strong, small magnetic solutions. 3. Strong Neodymium Disc Magnets, 20 Pack Strong Neodymium Disc Magnet, 3/4" D x 1/8" H - 20 Pack, Powerful N42 Rare Earth Magnets Decorative Round Fridge Magnets,Small Refrigerator Magnet for Whiteboard,Locker,DIY Building Scientific 【Super Strong】- Made with rare earth materials like neodymium, iron, and boron, our magnets are very strong for their size, with a high grade of N42.【Rust-Resistant】- Protected with a three-layer Nickel-Copper-Nickel coating, these magnets stay shiny and rust-free, even Amazon These larger magnets proved perfect for heavier holding jobs. The 3/4-inch size gripped metal objects very securely. We used them to organize tools and display items. Each magnet held several pounds of weight easily. The nickel coating protected them from rust during testing. We left them outside for two weeks without damage. These magnets work great for home and garage organization. The 20-pack size covers most household magnetic needs. We tested them against uncoated magnets for durability. The protective coating made them last much longer. The N42 grade material provides reliable long-term strength. Handle carefully because they attract together very strongly. Pros: Larger 3/4-inch size for heavier holding applications Rust-resistant nickel coating protects against weather N42 neodymium material ensures strong magnetic power Perfect 20-pack size for most home projects Cons: Very strong attraction can pinch fingers badly Not suitable for children or pacemaker users Requires careful placement around electronic devices Perfect for home organization and display projects. Great for garage workshops needing strong magnetic storage. Which One Should Be Best? For trailer brake repairs, choose the LIBRA kit first. It improves stopping power and installs easily in minutes. DIY project lovers should pick the 60-pack small magnets. They work great for crafts and workshop organization. Home organizers need the 20-pack larger disc magnets. They hold heavier items and resist rust perfectly. Choose trailer magnets for safety and brake improvements. Pick neodymium discs for projects and organization needs. People Also Ask How Do Axle Magnets Impact Vehicle Fuel Efficiency? Axle magnets can influence your vehicle's fuel efficiency by reducing drag and improving aerodynamics. When you install high-quality magnets, you help your car glide more smoothly, which can lead to better fuel mileage and safer, more efficient rides. Are There Safety Standards for Axle Magnet Installation? You should know that safety standards for axle magnet installation do exist. Ensure you follow manufacturer guidelines and local regulations, and have a professional install it to prevent potential safety hazards and maintain optimal vehicle performance. Can Axle Magnets Be Used on All Trailer Types? You can’t use axle magnets on all trailer types, as compatibility depends on your trailer’s design and axle type. Always check manufacturer guidelines and local regulations to ensure proper installation and safety before use. How Long Do Neodymium Magnets Typically Last? Neodymium magnets typically last for decades if kept dry and away from extreme heat. You can expect their magnetic strength to remain stable over time, ensuring reliable performance in your axle magnet applications for many years. What Maintenance Is Required for Axle Magnets Over Time? You should regularly clean your axle magnets with a soft cloth to remove dirt and debris, check for corrosion or damage, and ensure they're securely attached. Proper maintenance keeps them effective and extends their lifespan for safer rides. Wrapping Up Choosing the right axle magnet can significantly enhance your trailer’s safety and reliability. Whether you opt for the durable LIBRA Two 12 Electric Brake Magnet Replacement Kits, the versatile N42 Neodymium Disc Magnets, or the budget-friendly 20-pack, make sure it suits your needs. Prioritize factors like strength, compatibility, and rust resistance. With these top picks, you’ll ensure safer, stronger rides every time, giving you peace of mind on the road.