●Widely application: Hinges compatible with dump trucks, dump trailers or dump body. Please refer to the dimension to make sure it fits before purchase: approx 5-1/2" x 5-1/2" x 3-1/8" with 1" solid pivot pin. ●Superior strength: The dump trailer hinges are welded for unmatched toughness. High-quality steel construction for superior strength and durability. ●Rust protection: Heavy duty powder coat ensure long-term reliability, can handle any tough environments. ●Easy installation: Bolt-on installation. Professional installation is highly recommended. ●Package include: Hinges X 2Pcs. No instruction & hardware included.