This is a slide ball type adjuster with a jump ring and a lobster clasp. Because it is a slide ball type, the inner diameter can be easily adjusted. For usage, please refer to the second image. ⚫︎ Quantity: 1 piece ⚫︎ Size: Total length approx. 70mm, Lobster clasp approx. 7.5mm ✧ Silver 925 (SV925) is a silver alloy containing 92.5% pure silver and 7.5% other metals (mainly copper). It is said to be relatively less likely to cause allergies. It is characterized by its beautiful shine and is often used in high-end jewelry, but it can tarnish. It can be polished to restore its original shine. LH4