ITEM NAME:Super strong metal neodymium magnet keychain split ring pocket keyring holder M& Feature: Easy to carry and strength for identifying fake stainless steel. Perfect for Metal Recyclers, Brokers, Antique Buyers, Hobbyists and Collectors. Specification: Brand new Material: metal Length: approx. 4cm(1.57'') Diameter: approx. 1.2cm(0.47'') Color: silver, as picture shows Package included: 1pc x metal magnet keychain (other accessories are not included) Note: Due to their strength they all have the potential to damage credit cards or other items with a magnetic strip if they are kept too close. Please allow 1-5mm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.1.2cm(0.47"). Easy to carry and strength for identifying fake stainless steel. Color: silver, as picture shows.