About this item【Strong and durable】: This self closing door hinge using space aluminum alloy, Hinge thickness 4mm, strong and durable, a pair of hinges can bear50KG, The stable structure and good materials enable this hinge to have a longer service life. 【Function】:Our hydraulic hinge in addition to the basic hinge function,(1)Maximum door opening Angle 175 ,if exceeds 160will automatically reset to 160door stop position (prevent touching the wall);(2)160 -90is an arbitrary stopping Angle; (3)Th
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