Sub mother hinge Materails: STAINLESS STEEL, Iron, brass Finish: Sand bronze, mirror bronze, Brush nickle, Brass plated Specification: Length: 5" (125MM), 4"(100MM), 3"(75MM ) Width: 4"(100mm), 3.5"(88mm), 3.0"(75mm), 2.5"(63mm), 2"(50mm-55mm) Thickness: 4mm, 3.5mm, 3.0m, 2.5m, 2.0mm, 1.5mm