The package contains sufficient quantity and style of necklace extenders and necklace clasps, which can meet your needs in necklace making. Made of alloy, the surface is smooth and not easy to fade, lightweight, chic appearance can be remained for a long time. Features -Color:Golden -Material:Alloy -Size:15.00X1.00X1.00cm/5.89X0.39X0.39in -Size:1.80X3.00X1.00cm/0.71X1.18X0.39in - Made of alloy material, they are smooth and well made, reliable and not easy to fade. - Comes with different size necklace extender and necklace clasp, so that they can meet your different needs. - Designed with buckle, easy to install and disassemble, convenient for necklace making. - The necklace clasps can keep your layered necklace from getting tangled when wearing. - Each extension chain comes with lobster clasp, tightens the end of the chain to prevent it from falling. Package list: 8 x necklace clasps 4 x chain extenders