Snap charm base for DIY snap jewelry. Will fit 18-20 mm snap charms including Ginger Snaps & Noosa. Snap base is 20 mm and the 2 loops on either end are 2 mm. You can sew them onto your project, attach a chain or lobster clasp or what have you. Make your own snap jewelry! Other pictures are items I carry and for display only. Not included with this purchase.