The Power Slam Magnet is being acclaimed as an indispensable tool when installing vehicle wraps. Each magnet alone has the strength to hold 110 SF of media on the vertical drop, and boasts 18x the strength of a regular magnet of its size. Each Power Slam Magnet is enclosed in a polypropylene interior sheath with a genuine leather outer casing to prevent scratching or damaging your graphics or the vehicle. The clear advantage to using Power Slam Magnet is the decrease in bodies needed on each install, while increasing efficiency to output the installations in record time with complete accurate lineup. 3M Approved Installation Tool. 3M is a trademark of 3M Company, used under license in Canada.