In A Box(2000pcs/box) Kit with Silver Plated 100 Pcs Lobster Claw Clasps 12mm and 1900 Pcs Open Jump Rings 4mm 5mm 6mm 7mm 8mm 10mm and Jump Ring Open Tool For Jewelry Making Findings;

Jump rings:4mm in diameter, 0.7mm thick(25g about 580pcs),5mm in diameter, 0.7mm thick(20g about 460pcs),6mm in diameter, 0.7mm thick(18g about 342pcs),7mm in diameter, 0.7mm thick(16g about 300pcs),8mm in diameter, 0.7mm thick(15g about 140pcs),10mm in diameter, 0.9mm thick(15g about 100pcs)
About 100pcs of Lobster Claw Clasps size: about 7mm wide, 12mm long, hole: 1.2mm
Free jump ring open tool can help you make more jewelry
Plastic Box Set is included, also help you easy to store the jump rings and Lobster Claw Clasps
Product it is lead free and can be handled and children can wear safely.don't worry.