Item Type: Toggle ClaspsMaterial: AlloyAperture: Approx. 2mm / 0.1in (Manual measurement, there may be slight errors)Purpose: DIY jewelry accessories1¡¢Made of high?quality alloy material, these toggle clasps are stainless, durable with long service life. 2¡¢These supplies are suitable for DIY hand?made jewelry, bracelets and necklaces. 3¡¢Can be used for new jewelry or replacement, and are excellent accessories for DIY jewelry. 4¡¢The product is an ideal for bracelet making kits, earrings, necklaces, pendants, arts and crafts. 5¡¢These supplies are easy to use and operate. Just put the bar into the toggle and make the bar horizontal, it can be closely buckled.100 Sets Toggle Clasps