Guy's Magnets 10 mm x 3.5 mm x 2.4 mm PN10 bonded neodymium block

Length: 10 mm (0.39") Width: 3.5 mm (0.13") Thickness: 2.4 mm (0.09") Axially Magnetised through the thickness so that one 10x3.5mm face is north, the other is south Weight: 0.504g Grade: NB10 (Bonded Neodymium) Maximum Temp: 80°C / 176°F Theoretical Maximum Pull: 0.62lb / 9.9oz / 280g Calculated Max Vertical Hold-guidance only: 0.12lb / 1.9oz / 56g WARNINGS: All neodymium magnets are unsuitable for children; do not ingest. All neodymium magnets are brittle; do not allow these magnets to jump together or to an iron/steel surface - they will break, crack, chip or shatter.