Creative Hobbies 29 Piece Strong 1.25 Inch Round Ceramic Ferrite Ring Magnets, With 3/8" ID Center Hole x 3/16" thickness, Universal Use on Frigidaire&rsquo;s, Bulletin Boards, Arts Science Project, Crafts Creative Hobbies 29-Piece Super Strong, Round Ferrite Multipurpose Magnet Discs with Hole, are great for a range of uses, For: Home, Office, School, Shop, Craft, Hobby & Science Projects. LARGER SIZE THAN OTHER BRANDS: Each Round Disc measures 1 1/4" diameter x 3/8" ID (inside Hole Diameter) x 3/16" thick, with up to 1 lb. of Magnetic Strength. HIGH QUALITY: Our Creative Hobbies magnets are Super Strong, reliable, and Great for Science Projects, Crafts, hobby and product manufacturing applications. USES: The possibilities are virtually endless, Universal uses include: Holding anything on your Fridge, Bulletin/White Boards, Picking Up Sewing Pins, Christmas/Halloween Decorations etc. USA BASED SELLER: Creative Hobbies trusted brand since 1973 based in USA.