Bulk Alnico Bar Magnet Product Description Product Namealnico 8 bar magnet MaterialAlNiCo ShapeRod/Bar GradeAlnico2,3,4,5,8 MOQ100PC Working Temperature500掳C for Alnico Density7.3g/cm3 SampleFree Packing Magnet+ Small Carton+Greed Foam+Iron + Big Carton UsedIndustrial Field/Guitar pick up magnet Products Show Packing & Delivery Packing: As the magnets have strong attraction and we will use the spacer to apart the magnets each other in case people will be hurt when take it out.