Perfect size: each necklace fastener hook measures about 18mm in total length, lobster size - 6mm/0.23" wide, 12mm/0.47" long, hole: 3mm/0.12"; It is the right size to finish bracelets or necklaces, classic and pretty design will enhance your design and add more beauty to your jewellery and craft work.Practical to use: The lobster clasps opens and closes easily and smoothly, come with jump rings in both ends, can easily be attached to a necklace or bracelet, lightweight and comfortable for everyday wear, sturdy enough for bracelet necklace use in daily life.Connector clasps: Combine these connector with jump rings or chain link to be complete jewellery hooks, apply in various handmade projects, will work great for what you need.Nice quality: These nicely finished jewellery clasps are made of metal brass, with exquisite performance, sturdy build, will not easy to fade and break off, can hold up over time.jewellery accessory: Can be used as a clasp or as part of the design in a necklace or bracelet, Perfect for hanging charms, lanyards, key rings and bag tags, your homemade jewellery or repairing your existing jewellery or making necklaces and charm bracelets.