This set of double head shelf support nuts is engineered from carbon steel enhanced with an electroplated coating, combining robustness and corrosion resistance. The product is tailored for use with screw-in style poles around one inch in diameter, making it an excellent option for maintenance or upgrade of metal storage racks. Its sleek finish and accurate threading offer reliable support, ensuring shelves remain stable during use. ideal for extending the service life of shelving units and preventing premature disposal. Features -Color:Silver -Material:Carbon steel -Size:3.20X2.30X3.20 cm/1.26X0.90X1.26in -strong Material: Crafted from carbon steel with an advanced electroplating finish, ensuring long-term strength and strong durability in demanding storage applications. Corrosion Resistance: Features a smooth, bright surface free of burrs with precise threading to prevent rust and wear, extending the product's lifespan in various environments -Exact Compatibility: Designed specifically for screw-in style poles with a diameter close to one inch, providing a reliable performance for compatible storage racks -Effortless Installation: The threaded design allows easy insertion and firm support for shelves, improving overall rack stability while facilitating quick and secure replacements -Sustainable Solution: Ideal as a direct replacement part to keep existing metal shelving units functional, helping users avoid unnecessary disposal and reduce waste Package list: 4 x Shelf Support Nut