DescriptionMade of strongest neodymium iron boron material! Strong holding power, direct touch and direct pull. Widely used in DIY projects and science experiments, and suitable for refrigerator, shower door, work or office, scientific purposes, arts and crafts or school classroom.Features-Material:Neodymium iron boron.-Size: About6.00X1.00X0.30cm/ 2.36X0.39X0.12in. -Note: It is fragile, please be careful when trying to separate them. -The bar magnets are rare-earth metal neodymium magnet, which magnetic force is higher than normal ferrite. - The bar magnets provide a shiny, rust-free and mirror like finish that substantially reduce residual dust. - The neodymium magnets are heavy-duty and more durable. It is very suitable for daily use in families. - With a strong capability for holding various items, ca be used in kitchen, office, garage, cabinets, refrigerator. - The neodymium magnets bars are more magnetic than ferrite magnets, big suction, which can meet your different needs.