1. High quality gas spring 2. Finished: Painting 3. Material: iron 4 ... Special gas springProduct details: Item No.31.007MaterialSteelMaterial of sealerCopper/Plastic/whole copperCarrying Capacity45N, 60N, 80N, 100N, 120N, 150NFinishPaintingColorSilver, ... " etc.One way,two wayAvailableUsageCabinet, Door, vehicle etc.Advantages for cabinet & furniture user: SealerWith good sealer,no oil leakageCustomer' ...