Durable:made of zinc alloy lobster clasp and iron single ring,ensuring high standards of quality and durabilityOpen Jump Rings:comes with an open jump ring,which can be either soldered or easily modeled with pliersColor Mixing:6 colors to meet your various needs for jewelry making,providing you with multiple choicesWide Applications:you can use them to make bracelets,necklaces,jewelry and other craftsEasy to Store:comes with a transparent plastic storage box for easy access and storage,not easy to loseSpecificationProduct Name:Jewelry Findings KitMaterial:zinc alloy lobster clasp + iron single ringColor:color mixingWeight: about 105g/boxSize:Lobster clasp: 12x7x3mmaperture: 1mm,about 20 pieces/div/color;120 pieces/boxSingle circle: 5x0.6mm,about 5g/grid,30g/boxBox: 13x5x1.5cmCharacterLobster claw clasps very easy to close,fits most jumpers and chainsYou can use it as a clasp to DIY your jewellery,or any other jewellery where handmade crafts are foundPlease keep them far away from kids to avoid chockingPackage Include120 X Lobster Claw Clasps30 X Single Circle