12mm x 6mm x 3mm (15/32" x 15/64" x 1/8") Neodymium Block Magnet – N52 Grade 

Key Features:

• Dimensions: 12mm Length × 6mm Width × 3mm Thickness
• Precision Tolerance: ±0.05mm 
• Magnet Grade: N52 
• Pull Force: Approx. 5.05 lbs 
• Coating: Nickel-Copper-Nickel (Ni-Cu-Ni) triple-layer plating for a professional finish
• Magnetization: Axially magnetized through the 3mm thickness (Poles on the flat 12x6mm faces)
• Shape: Rectangular Block

Material Description:

Our 12x6x3mm N52 blocks are engineered for professional-grade fasteners and high-load DIY projects. The 3mm depth provides a substantial volume of neodymium, generating a deep magnetic field that can act through thick non-magnetic barriers. The rectangular geometry ensures the magnet stays firmly aligned, making it perfect for custom cabinet latches or industrial-strength magnetic triggers.

Handling Advice: At nearly 6 lbs of pull force, these magnets are powerful. They will jump toward each other from several inches away. Always handle one at a time and separate them by sliding the top magnet off the stack horizontally to avoid chipping the brittle neodymium core or causing painful skin pinches.

Warnings and Safety Information:

• Pinch Hazard: Strong enough to cause painful skin pinches or small blood blisters. Handle with caution.
• Choking Hazard: Small size is dangerous for children and pets. Keep strictly in a secure container.
• Medical Safety: KEEP AWAY from pacemakers and sensitive medical implants.
• Electronics: Safe for most modern devices at a distance, but avoid direct contact with hard drives and magnetic strips.

Applications:

• Industrial-strength magnetic latches for cabinetry, secret doors, and hidden panels
• High-performance jigs, fixtures, and non-slip workbench clamps
• Advanced tabletop gaming (ideal for magnetizing heavy-weight resin kits or terrain)
• Industrial proximity sensors and robust magnetic triggers
• Modular mounting systems for heavy tools and workshop organization