Features: High strength metal U clip nut ensures vibrations resistant fastening for automotive applications, solving plastic clip slippage with 80 pieces per box including four sizes. Features corrosions resistant treated surfaces and spring loaded tension design for enhanced durability and secure grip in extreme conditions across multiple vehicle components. Ideal for professional mechanics, motorcycle enthusiasts, and DIYers requiring fasteners for vibrations prone automotive repairs or modifications. Perfect for emergencies roadside fixes, long term undercarriage installations, or bumpy terrain driving where traditional nut fails to maintain tightness. Each box contains 20 pieces of four standardized size, ready to upgrade exhaust systems, suspension assemblies, and electrical brackets with easy installation efficiency. Specifications: Component: Metal Package Includes: 80Pcs U-Shaped Clip note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.