Agate Adjuster Chain This item is in excellent condition, having been used less than 3 times. Material: K10 Length: 5cm This adjuster chain can be connected to your existing necklace to change its length. It's a convenient item that you'll want to have, as it can be used with a wide variety of necklaces. You can also connect it to a bracelet to use it as an anklet. A sales certificate is also included.