... salt spray test Product details: Type:Furniture hinge, Hydraulic hinge, Cabinet hinge, door hingeMaterial:SteelFinishing:NickelStyle:InsertOpening angle:90 ... Widening manganese steel spring,can disperse force when the hinge closed. Strengthened spring, thickness 2.5mm instead ... ,smaller volumeFull overlay, Half overlay, Insert hinge available: Guide: Accessories: clip on hydraulic buffering cabinet ...