1. Corrosion-resistant coating for long-lasting durability 2. Multiple size options: Available in various specifications to meet diverse needs, ensuring flexibility and compatibility across different projects. 3. Sharp threads providing a firm, reliable grip 4. High-strength metal material; durable metal construction ensures reliability and longevity 5. Suitable for repairs, DIY projects, and general hardware applications 6. Nominal thread size (M): M4 Nominal length: 16mm