1.The bolts are neatly organized in a plastic box with clear labels for easy categorization. Additionally, the set comes in an attractive outer cardboard box, making it suitable for gifting. 2.Flange Hex Head Design: The flange surface of the flange bolt increases the touch area, making it a very strong structure that can withstand high pressure, prevent loosening, high temperature and other extreme environmental challenges, and is not easily damaged 3.Flange bolts kits are used in a wide variety of applications, such as fixing machinery and equipment, fixing building structures, and also fixing tyres, among many other usage scenarios. These bolts are an important part of any project that requires stability and security