FINDMAG 4 Pack Spring Buckle Magnetic Hooks, 50 LB+ Detachable Heavy Magnet Hooks, Extra Strong Neodymium Magnet Hook, Perfect for Home, Kitchen, Office, Indoor or Outdoor - 25mm in Diameter

Extremely strong for its size

Carabiner missing and 2x magnets unseparable! Returned!

I thought these little magnetic hooks would be a bit easy to move about. I was wrong. I dropped one on the cast iron stove on the boat, and it took 2 hands and a fair bit of pulling to get it off. If you want solid secure magnetic fastenings, these are worth the money. Great for out canal boat