RISON-Titanium has been focusing on titanium products for ten years.Material: Titanium GR5 (Ti6AL4V) aerospace grade, These titanium Titanium Open End Lug Nuts are made of aerospace GR5 titanium.20PCS / Set.Product details: We are a professional manufacturer of titanium fasteners, factory direct sales, we manufacture in strict accordance with ISO9001, 45% lighter than steel, Lighter than aluminum, harder than steel, and far superior to organic materials such as stainless steel. Provides high performance and strength without fading.Product Advantage: RISON-Titanium's specialized aftermarket focus is on the design, engineering and production of high-quality titanium parts. We have a rich inventory of high-quality raw materials. These titanium Nuts are made from aerospace grade 6AL4V titanium. The advantages of titanium alloys are light weight, high strength, and will not rust.Note: The customs clearance fee shall be borne by the buyer. Confirm compatibility with your product and Nuts before use. If you have any questions, please feel free to contact us. We will get back to you within 24 hours.