... salt spray test Product details: Type:Furniture hinge, Hydraulic hinge, two way hingeMaterial:SteelFinishing:NickleStyle:InsertOpening angle:90-105°Cup Diamater:35mmHole ... : 1.5mmAdopt advanced hydraulic system,longer life time,smaller volumeFull overlay, Half overlay, Insert hinge available: Guide: Accessories: two way concealed furniture hinge