... aluminum door and other furnitures gas spring , gas support (reverse gas lift ) , Applicable to the tilt-up wooden door ... your door's weight .Code : ES10211, Gas source : air/nitrogen2, Reverse load : 50N-200N3, Lift distance : 90mm4, Material : Coopper/ damper ... plastic 5, Color : silver / black (Can be customize with requirement) 6, Coating method : electric plating / spraying 7, Assemble mode : side ...