MATERIAL: Made of premium alloy material, anti-, strong and durable.. PREMIUM QUALITY: CNC precision processing, accurate and standard size. Selection of dedicated alloy punch, ensure the perfect fit of each inner hexagon and wrench.. RIGOROUS DESIGN: Precision threads, firm connection, not easy to fall off. Come with a dust hat and a nylon washer.. APPLICATION: High-performance, -resistant, light weight, high strength bolts and nuts have many applications especially in sports, automotive, racing, aerospace and medical industries..
