Very Attractive Omega Necklace for Women 10 mm wide and 16 inches long Also Called Cubetto it makes an Excellent Slide Necklace Comes with Lobster Claw Clasp Made in Italy Fine Materials and workmanship Nickel Free Solid 925 Sterling Silver This Omega Necklace Solid Silver and Made in Italy Smooth and flexible with high polished finish. Comes with Lobster Lock Clasp for good security and easy repairs and as in most our jewelry it's Nickel Free.