25 Round Magnets. This is a new set of 25 round magnets. These magnets are great for home, office, school or shop use. Each measures approximately 3/4" x 1/4" (19 x 6 mm). We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.