These are the highest quality button cover findings. They are 18mm and are made of brass. They have a high quality silver plating. , There are 12
Vintage Southwestern Style Sterling Silver Button Covers in Various Designs
Goyunwell 20 Sets 14Mm Coppery Strong Magnetic Button Clasp Round Snaps Diy Craft Sets For Sewing 14Mm Antique Brass
Antique Brass Flower Magnetic Clasp, 10.4x6.3mm Oval Opening, Used for Licorice Leather and Kumihimo
Sterling Silver Pin Drop Charm Pin Finding Jewelry Making
Brass Button Covers
30-580 Magnet, Round, 18mm - Rings & Things
WYSIWYG 10pcs 5 Colors Fit 12mm 14mm 16mm 18mm 20mm Glass Cabochon Buttons Charms Base Setting
18mm Button Cover - Australia
18mm Button Cover
8X2.5MM Silver Tube Bead (144 pieces)
50pcs Antique Silver tone/Antique Bronze Plum Blossom Base Setting Tray Bezel Pendant Charm/Finding,Fit 18mm Cabochon/Cameo - AliExpress
CRAFTMEMORE Thin Magnetic Snap Buttons Quality Strong Clasp for Purse Sewing Handbags Closures 6 Pack MNS (18mm, Gold)
2 or 10 Silvery Oxhorn Latches Right Left Hook Solid Metal - Israel
100 Sets Silver Tone Magnetic Purse Snap Clasps Button/Great for Closure Purse Handbag Clothes Sewing Craft No Tools Required 14mm : Everything Else