If you hooked on staying organize your workspace for safety and efficiency,these lightweight magnetic swivel hook are for you.they can swivels 360°. swings out 180° and easy to attach items to all metal surfaces or other ferromagnetic surfaces,just like refriderator,cabinet,tabels,beams,metal studs,workbenches,toolboxes and so on.Thye are good to use at home,workshop,office,retail shop,warehouse or other filed to save space and organize your work.But they can’t to stick at brass,aluminum,copper or lead surface.