Master Magnetics Ceramic Channel Magnet Pack - Heavy-Duty Strong Magnets - 22 lb Pull Each - Double-Sided Adhesive Foam Backing - Nickel-Plated Base - 3” L x 0.905” W x 0.25” H - 8-Pack;

These Magnet Fasteners by Master Magnetics are extremely versatile. Use them to latch cabinet doors, hang signs, and mount a variety of other objects in the home, shop, or office. Each device is assembled from a nickel-plated steel channel and a ceramic, ferrite magnet. On the side of the channel opposite the magnet, there's a strip of double-sided adhesive foam. These fasteners can be used like industrial magnetic tape, but they're much stronger. Each magnetic fastener has a flat base of 3" by almost 1". The sides are a quarter of an inch thick. Because of their low profile, they're inconspicuous and suitable for use inside the home. They can be used to hang art pieces from the wall or secure curtains in place. The heavy-duty ceramic magnets have a strong pull of 22 pounds on contact. This magnetic pull was determined by a vertical test. The pull is about 50% less when used on a vertical surface holding against a sliding force, and slightly less when used on painted steel. Whether attached to a refrigerator, a metal toolbox, a vehicle, or an industrial shelf, these magnet fasteners will hold tight. This economical package contains 8 magnetic fasteners, which means that you'll have plenty of magnets for different purposes. Master Magnetics, manufactures and distributes magnets and magnetic devices for commercial, industrial, and consumer use. The company, founded in 1976, is headquartered in Castle Rock, CO.