Dorwer Brand Door Closer Door Weight UP to 85 Kg To 100Kg door closer hydraulic door closer automatic (Model number 201) This door hardware is from the house of Royal. which is made of aluminum . The package contents are 1 complete set of door closer and fittings Constructed with extruded anodized aluminum body & high quality steel internal components with Stable hydraulic fluid for any climatic operation & constant lubrication as well as Piston & spindle been heat treated for high strength.