CMS MAGNETICS 4 Ct. of 40 LB Magnetic Hooks, MHCP-47 Using strong ceramic magnets, one of the highest grades available, these hooks are capable of holding up to 40 lbs The smooth surface is coated with a durable white powder coat. Because of its powerful ceramic magnet, this hook can hold up more weight than other hook magnets because of its high-quality materials. This product is built using only the highest quality materials which ensures a long service life. Made with top quality magnets by Under ISO 9001 quality control systems