for installing on wood, concrete, or metal , this Hinges is suitable for large gate such as garden gate, garage door, and warehouse door, both indoors and outdoors. This J Bolts Hinges includes a male pin and up to 220kg, ensuring smooth, noise frees operate for various gate types. With its robusts construction and easy installation, this J Bolts Gate Hinges enhances the security and functionality of your property, making it essential component for any heavy duty gate This J Bolts Gate Hinges is crafted from 304 steel, offering outstanding rusts and Corrosions resistance for long service durability in outdoor environment. Suitable for enthusiasts, professional carpenter , and construction workers, this Multifunction Hinges meets the needs of different users want Stable gate hardware solution., Manufacturer: MZRAN