Size: We include 30pcs 5x5.5mm, hole: 2.4mm, inner diameter 4.5mm; 30pcs 4x4mm, hole: 2.5mm, inner diameter 3.7mm; 20pcs 6x5.5mm, hole: 2.5mm, inner diameter 5.5mm; 20pcs 8x7mm, hole: 3mm, inner diameter 7.5mm pendant connectors.Material: These pendants are made of 304 stainless steel material, the surface is plated with 18k real gold, sturdy and durable. Exquisite workmanship, bright colors, can last a long time, not easy to fade and deteriorate.Easy to Use: You can use glue to connect the bead cap with your favorite beads, round glass, rhinestones or other favorite jewelry, and slide the chain rope into the hole at the top, so it is easy to operate.Wide Usage: These clips are perfect for DIY your special and unique jewelry, widely used to connect beads, crystals, gemstones and other DIY different styles of earrings, necklaces or bracelets.Ideal Gift: Ours are suitable for women or men of any age, definitely a great way to show your love to your mother, girlfriend, wife, any friends, family.