This is a 20/ML size. This is the lightweight carbon fiber version. With Hans quick release tether. This Hans is in great shape.The item "Pro Hans Device Carbon Fiber Head and Neck Restraint System Simpson Hybrid" is in sale since Monday, March 9, 2020. This item is in the category "eBay Motors\Parts & Accessories\Performance & Racing Parts\Safety Equipment\Head & Neck Restraints". The seller is "autoequip-custards" and is located in Dallas, Texas. This item can be shipped to United States, Canada, Mexico, Bermuda, Bolivia, French guiana, Paraguay, Uruguay.