Material: sintered ferrite magnet + stainless steel sheet
Helps cow to avoid hardware disease
Cattle usually eat some hardware parts when they eat the grass, like nails, iron items and this will seriously threaten the health of cow. Cow will lose their appetite and then their milk output will decrease and especially the hardware items may cause cow to die
Size: 19 x 75mm
Surface is polish and to protect the cow stomach
Surface gauss is about 3,000 to 4,000GS at least
Customized specifications are accepted