The CE Fire Rated Two Ball Bearing Hinge 4″ x 4″ x 3mm (Model: HN2B-FS404030) is a robust and high-performance hinge designed for heavy-duty applications, ensuring durability, smooth operation, and fire safety compliance. With precise dimensions of 102 x 102 x 3mm (Height x Width x Thickness), this hinge is ideal for both residential and commercial doors requiring reliable performance.