Magnet Dimensions: 1/2" x 1/16" (0.635cm x 0.159cm) Number in package: 25 Common Uses: Medium-size vehicle parts These magnets are perfect for magnetizing the small to medium size parts of most of your vehicle (such as Rhinos, Trukks, and Predators). These rare earth magnets are permanent and super-strong, so you won't have to worry about them losing their pull as they get older.