Magnetic hook, super-strong, neodymium magnet, holds approximately 20 lb

Magnetic hook features a super-strong, neodymium magnet to securely hold or hang heavy objects throughout your classroom. Smooth exterior sits cleanly on surfaces to prevent damaging delicate areas. Hook holds approximately 20 lb. from a vertical position, 10 lb. from a horizontal position on heavy steel, 1 lb. on a whiteboard, and 8 lb. on a metal door.