2-Pack Extender /Safety Chain Extender Necklace Bracelet Lobster lock 1" To 6". 1,Come with 2 pcs, Stainless steel chains and Clasp 2,Circle Size: 3*4*0.6mm, Length:1"/ 2"/3"/4"/5"/6". Multiple Sizes Meet Your Different Needs. 3,Material: Stainless Steel; Solid, Durable, Allergy Free, Nikel&lead…