Made of quality material with grooved decorative simple setting Measure: 14MM Diameter Weight: 8.8 Gram Material: Semi Precious Gemstone Onyx 925 Sterling Silver Made in Turkey SLEEK STYLE - Accented by a finely crafted for the favorite man in your life, bestow upon him these handsomely dapper mens cufflinks. Secure Torpedo Toggle Hinge Back Thoughtful Gifts for Him: Our jewelry is the perfect choice for special occasions such as Fathers Day, birthdays, Christmas, holidays, graduations, groomsmen gifts, anniversaries, and Valentines Day. Whether its for your best friend, boyfriend, brother, dad, grandfather, son, husband, uncle, nephew, or even to treat yourself, our unique pieces make for meaningful and stylish gifts for men. USA-Based Company with 30-Day After-Sale Service: We take pride in our craftsmanship and product quality. Rest assured, if you receive an item with manufacturing defects, we've got you covered. Click on the link to contact our friendly customer service.