Onarway Adjustable Automatic Size 2 Spring Hydraulic Door Closer/Closure for Residential Home Use for 25~45Kg Door Easy to Install, Including Parallel Bracket

b>Please Read Below Informations Carefully Before Your Purchase: This is a light weight door closer, it is a excellent choice if your strength is relatively weak and feel hard to open the door when using other medium door closers. Onarway Automatic hydraulic door closer is made of high-quality aluminum with the hydraulic principle. Complying with EN1154 Certification. It keeps your door closed so you don't need to worry your children or colleagues and other people forget to close any door, it will protect your door from damage by slapping and slamming hard by wind and hands at the same time. Hydraulic designed makes no noise and stable enough. Two speed adjustable valves help you control the speed of closing and latching doors to protect your door lock. It's applicable to all doors that are within 60~90cm(23.6"~35.4") width and 25~45kg(55lb~99lb) weight. It's an excellent choice for warehouse door, gate, office door, etc. and all kind of different material door. Be Notice that This door closer does not keep the door stay open, it helps to close the door without push or pull. It is not the speed control product of opening door but the closing door. Please make sure your door weight and width meet our product's requirements, otherwise it may cause some unexpected problems like doesn't work well if installing on an overweight door. Package includes: Major Door Closer Body×1; Main arm×1; Swing arm/Retractable rocker/Screw stem×1; Parallel Bracket×1; Screw package×1: Dust cover×1