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 approx. 20 lbs. from a vertical position and approx. 10 lbs. from a horizontal position on heavy steel. Holds approx. 1 lb. on a whiteboard and approx. 8 lbs. on a metal door. 1" diameter, 2-1/2" long hook. 2 hooks per package.
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