Marine grade stainless steel construction with optional welded or detachable installation ensures minimal closure gaps and superior sealing, functionality across industrial applications Engineered with a 180 degree unobstructed opening and integrated ball bearings, these door hinges provide smooth, quiet operate without occupying extra space, ideal for large container or truck access points Perfectly suited for cargo containers, refrigerated trucks, utility trailers, and customized mobile enclosures operating in harsh marine, high humidity outdoor, or cold chain environments Heavy duty 304 stainless steel hinges withstand 80-120kg loads per hinge, featuring construction with thicken arms and cores for extreme durability in demanding applications Designed for professional and businesses managing commercial vehicles, including freight transport operators, and special mobile unit manufacturers requiring robust hardware solution, Manufacturer: MZRAN