Color	Silver
Material	NdFeB
Quantity	1 Set
Number	20
Suitable Age	12-15 Years、Grownups
Packing List	20 x Magnets

Diameter: 12mm; Thickness: 4mm; Aperture: 4mm; Nickel-plated; Tolerance: +/-(0~0.2)mm; Working temperature: Max. 80'C; Widely used in speaker、 alarm、 stage speaker、 car speaker、 microphone、 receiver、 relay、 water meter、 sound meter、 reed、 sensor、 VCM、 SD/ DVD-ROM、 motor、 engine、 servo、 micro motor、 vibration motor、 magnetic separator、 magnetic crane、 magnetic machinery、 NMR、 medical equipment、 magnetic health products and other magnetic products

Dimensions: 0.47 in x 0.47 in x 0.16 in (1.2 cm x 1.2 cm x 0.4 cm)
Weight: 1.76 oz (50 g)