Two powerful small magnets are encased inside the two halves of this shiny .925 sterling silver oval (melon-shaped) clasp. Two closed 18 gauge 3.5mm (1.75mm inner diameter) round silver wire loops are soldered to the ends.
Magnetic clasps are ideal for jewelry wearers who may have difficulty with opening and closing more complicated mechanical clasps, or for designers who want a compact, understated clasp for their designs.
Total clasp length with jump rings: 15mm
Magnet Diameter: 4mm (0.157")
Magnet Thickness: 2mm (0.079")
Magnet Grade: N50
Gauss Strength: 3,950
Pull Strength: 8.07lbs per square inch