This is a slide ball adjustable adjuster with a jump ring and a clasp. The slide ball allows for easy inner diameter adjustment. Please refer to the second image for usage instructions. ⚫︎ Quantity: 1 piece ⚫︎ Size: Total length approx. 70mm, clasp approx. 7.5mm ※ 18kgf is 18kgf coating on S925 material ✧ 18kgf (18k gold filled) is a material where a layer of 18k gold is pressure-bonded to brass, etc. It features a thick gold layer that is resistant to peeling, has a luxurious feel, and is also considerate of metal allergies. It is a material that combines durability and beauty. LH4