Our iconic Simply Silver collection boasts fine, contemporary and meaningful 925 Sterling Silver pieces. This beautifully designed Simply Silver Sterling Silver 925 Cubic Zirconia Knot Set comes packaged in a contemporary gift box, making it ideal for gifting. Fastening: Lobster Clasp Fastening/Post and Bullet Back. Chain Length: 16". Extender Length: 2". Width Dimension: 12mm. Drop Dimension: 7mm.