Snap Ginger Pendant Silver tone Fit 1PC Snap Button - Interchangeable snap ginger jewelry Material: Alloy (Cadmium free) Size: 46mmx 32mm - Hole size: 6mm - Thickness: 5mm The suitable button fastener size: 5.5mm.Pinch Clip Bail:13mm x6.5mm x9mm( 4/8" x 2/8" x 3/8") 18mm snap buttons are fitting perfectly over this pendant.