Disc Magnets 3 mm dia. x 2 mm thick Dimensions: 3mm dia. x 2 mm thick Tolerances: ±0.004" x ±0.004" Plating/Coating: Ni-Cu-Ni (Nickel) Magnetization Direction: Axial (Poles on Flat Ends) Weight: 0.00341 oz. (0.0949 g) Surface Field: 4667 Gauss Max Operating Temp: 176ºF (80ºC) Brmax: 13,200 Gauss BHmax: 35 MGOe WARNING: KEEP OUT OF REACH OF CHILDREN. THIS IS NOT A TOY. DO NOT INGEST OR INHALE. SEEK IMMEDIATE MEDICAL ATTENTION IF MAGNET(S) ARE SWALLOWED OR INHALED. MAGNETS ARE BRITTLE. BROKEN MAGNETS ARE SHARP. MAGNETIC MEDIA AND ELECTRONIC EQUIPMENT HAZARD. KEEP AWAY FROM PACEMAKERS AND INTERNAL MEDICAL DEVICES.