NEW RING U.S. AIR FORCE STAINLESS STEEL BLACK ION PLATED FINISH SYNTHETIC BLUE STONE TK414708J Stainless Steel TK316 Stainless Steel used in fashion jewelry, is an alloy with a minimum of 10% chromium content by mass. It does not stain, corrode or rust as easily as ordinary steel, and it is also hypoallergenic. Thus, it is extensively used in heavy gauge-welded components, such as jewelry. Tusk 316 stainless steel is of the highest quality for jewelry products. Vacuum / Ion Plating Vacuum/Ion Plating is more durable and wear-resistant than traditional plating methods. Additionally, its great advantage is environmental consciousness as it avoids chemical solution during the process and it?s irritation-free for the skin. Vacuum/Ion Plating is an advanced technique normally in the watch, electronic and space industries. The object is placed in a vacuum chamber, which is pumped down to the desired vacuum pressure. The chamber is then heated to the target temperature to evaporate the material, which is sprayed onto the object, producing a thin layer of coating. Single Tone is when a piece of jewelry has one type/color of plating Synthetic Stone Synthetic stones are created artificially in a factory or laboratory, but have the same physical, chemical and optical characteristics as their natural counterparts. These stones usually have high luster, and is difficult to tell the difference from natural stones with the naked eye. Available in sizes 8 THRU 14 WE SHIP TO THE ADDRESS ON THE PAYPAL INVOICE ONLY AND WHEN PAYING WITH PAYPAL PLEASE STATE SIZE NEEDED IN THE COMMENTS PLEASE ALLOW 1 WEEK BEFORE INQUIRY ABOUT STATUS. THIS ITEM IS BRAND NEW NEVER USED ITEM WILL BE SHIPPED USPS. ALL SALES FOR THIS ITEM ARE FINAL ALL Sales transactions are Final upon Delivery Confirmation. We do not sell on "approval." We will do our best to completely and honestly describe each item. PLEASE READ THE DESCRIPTION ENTIRELY AND CAREFULLY. Ask any questions PRIOR TO PURCHASE. We will try to respond to e-mail inquiries within 24 hours. Please do not BUY if you have any doubts. All returns Must be PREAPPROVED by us with in 72 hrs of receipt of item. ALL RETURN FEES ARE PAID BY THE BUYER. All returns must be in Original UNOPENED SEALED Packaging. There will be a 20% restocking fee for all Returned items. PLEASE ASK ALL QUESTIONS BEFORE BUYING Thank you in advance for visiting my store