SPECIFICATIONS:Diameter: 30 mmProfile: High saddleHeight: 1.45"Net Weight (oz): 6.1Screws (per ring): 4Finish: Matte black aircraft-grade aluminumPlease note: If the listing says "In-Stock" it means we have the item(s) in stock. Please check this LINK to view our most up to date shipping status.Warranty, Returns & Terms: Davidson Defense Store offers a 30 day return, refund and exchange policy. You must email or call Davidson Defense Store and obtain an RMA number prior to any return, refund, or exchange. All returns must include the original order number, receipt or invoice, along with the customers billing address, shipping address, contact phone numbers, contact emails, and RMA number. Returns, refunds, and exchanges may take up to two weeks, not including transit times, for processing after we have received return product. Return shipping costs will be the responsibility of the returning party, with the exception of the wrong item being received or on warranty exchange during the first 30 days after delivery. Items returned for warranty will only be replaced or exchanged, no refund given on warranty items.