3 Magnetic Hide A key Holders for Locking Bikes & Large Valuables. This is a new set of 3 hide a key holders. Used for hiding keys for homes, gates and spare keys under cars. Has a strong magnet that holds firmly to all ferrous metals. Each measures approximately 3 1/8" x 1 3/4" x 9/16" (79 x 44 x 14 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.