The Magnet Source 1/2 in. x 30 in. Magnetic Tape comes in a 30-in. roll. It is made from iron ferrite. The lightweight tape can hold up to 15 lb.
Magnet Source™ 30 x 1/2 Flexible Magnetic Tape at Menards®
The Magnet Source 1/2 in. x 30 in. Magnetic Tape 07011 - The Home Depot
Master Magnet 1 in. x 30 in. Magnetic Tape Roll 96304 - The Home Depot
Master Magnet 1 in. x 30 in. Magnetic Tape Roll 96304 - The Home Depot
Master Magnet 1 in. x 30 in. Magnetic Tape Roll 96304 - The Home Depot
3M Scotch 1 in. x 1.33 yds. Repositionable Magnetic Mounting Tape MT0041 - The Home Depot
Master Magnet 1/2 in. x 10 ft. Magnetic Tape Roll 96274 - The Home Depot
Master Magnet 1 in. x 30 in. Magnetic Tape Roll 96304 - The Home Depot
Magnet Source Outdoor Supply Hardware