Beautiful and good quality sew-on snaps. They're strong, hold securely, and have smooth edges so that thread glides smoothly. Nickel-free to prevent rust. Manufactured in China to quality standards set by Japan.
Size 3/0 - 7mm
Actual Metric diameter is 6.9mm (female side) and 6.3mm (male side). Standard diameter is just a tad over 1/4", but not as big as 5/16".
This size sold only on the cards as pictured. Two parts to each snap, attached through the paper card. We sell nine sizes in total: 6mm, 7mm, 8mm, 10mm, 12mm, 14mm, 17mm, 19mm, 21mm.