Shell, Mylar, Collet, Ceramic Magnets. Button size specifications: Cut size for paper inserts and mylar size: 1.313" or 1-5/16". These are ceramic magnets which are stronger more durable than the peel and stick magnets. Press these magnets INSIDE your button maker and save time. NOTE : These parts are for use in standard USA made button makers.Parts are not compatible with Chinese, Euro made or Badge a Minute machines! The item "500 1 Ceramic Magnet Button parts for Pin Maker / Badge Machine lot of parts" is in sale since Tuesday, February 5, 2013. This item is in the category "Crafts\Multi-Purpose Craft Supplies\Crafting Tools\Badge/ Button Makers". The seller is "criticalbuttons" and is located in Toronto, Ontario. This item can be shipped worldwide.