25mm x 5mm x 1mm Neodymium Block Magnet – N52 Grade 

Key Features:

• Dimensions: 25mm Length × 5mm Width × 1mm Thickness
• Precision Tolerance: ±0.05mm 
• Magnet Grade: N52 
• Pull Force: Approx. 2.2 lbs 
• Coating: Nickel-Copper-Nickel (Ni-Cu-Ni) triple-layer plating 
• Magnetization: Axially magnetized through the 1mm thickness (Poles on the large 25x5mm faces)

Material Description:

Our 25x5x1mm N52 blocks are designed for professional engineering and high-end craft projects that require a long, narrow magnetic footprint. The 1-inch length provides exceptional leverage for closures, while the rectangular shape ensures the magnet stays perfectly aligned when recessed into wood, plastic, or leather. At only 1mm thick, it provides a powerful "snap" without adding bulk, making it a top choice for hidden latches in luxury stationery and portfolio covers.

Handling Advice: These magnets are powerful and brittle. Due to their length and 1mm profile, they can snap easily if allowed to jump toward a metal surface. Always separate them by sliding the top magnet off the stack horizontally and handle with a steady grip to avoid chipping the brittle neodymium core.

Warnings and Safety Information:

• Pinch Hazard: Strong enough to cause minor skin pinches. Handle with care.
• 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 modern devices at a distance, but avoid direct contact with magnetic storage media.

Applications:

• Hidden magnetic latches for extra-long leather portfolios and folders
• 3D-printed removable covers and slim battery compartments
• Invisible edge-mounting for large-scale graphics and museum displays
• Precision sensor triggers for industrial electronic prototypes
• Custom joinery and "secret" compartment latches in fine woodworking