Scope of delivery: 1 piece Surface and finish - Carbon black phosphating treatment for a durable and elegant appearance - Surface is immersed in rust-preventive oil to help prevent rust Material and construction -Chromium-molybdenum steel forged as a seamless part - Provides high impact resistance, high hardness, and good toughness Anti-loosening features - Anti-loosening beads and a chromed ball spring for secure protection against loosening Slot and locking design - Card slot with square opening - Anti-loosening and square hole slot - Arc inner-angle design with strong locking force Key benefits - Enhanced corrosion resistance and longevity in challenging environments due to phosphating and rust-preventive oil - High strength and durability from seamless chromium-molybdenum steel - Reduced risk of loosening in vibration-prone applications thanks to anti-loosening beads and chromed ball spring - Reliable and strong locking performance enabled by the square hole slot and arc inner-angle design Use scenarios - Industrial machinery assemblies requiring robust locking and resistance to loosening during operation - Automotive or heavy equipment installations where vibration and moisture are present - Outdoor or damp environments where long-term rust protection and dependable performance are important