7" 4.0mm Black Braided Leather Magnetic

Magnet Specifications

Diameter: 4mm (0.157")

Thickness: 2mm (0.079")

Magnet Grade: N50

Gauss Strength: 3,950

Pull Strength: 8.07lbs per square inch
Magnetic Flux: 0.56-0.59mWb

Magnet Health Warning: Contains small magnets. For adult use only (13 years of age and older). Keep away from children. All magnetic clasps are sold as a component intended to be permanently affixed to a finished jewelry chain or other strand. Swallowed or inhaled magnets can attract through and squeeze intestines or other body tissue, causing serious injury or death. Seek immediate medical attention if swallowed or inhaled. Magnetic fields can affect the function of pacemakers or other implanted electronic medical devices.