Magnetic Hook, Steel, Silver, Supports Up To 20 Lbs, 2/packTeacher Created Resources Magnetic Hooks are great for hanging seasonal decorations in the classroom! Super strong! Use to hold or hang heavy objects throughout your classroom. Made with super strong neodymium magnets. Hooks can swivel up and down. Holds approximately 20 lbs from a vertical position and approximately 10 lbs from a horizontal position on heavy steel. Holds approximately 1 lb on a whiteboard and approximately 8 lbs on a metal door.