Features: This heavy duty automatic door closing reliably shuts doors from any position, preventing from remaining open and is ideal for doors weighing 25–65 kg and up to 43.3 inches (1100 mm) wide. Featuring double speed adjustment Adapter, the hydraulic door closing offer precise control over closing and latching speed, utilizing a soft close design to minimize slamming and noise. Suitable for both homeowners and professional managing light commercial settings like offices, schools, and stores requiring dependable door closure. This robust door closing functions effectively on various door types including wood, metal, fire, screen, and office doors, installed indoors or outdoors. Crafted from rust resistant cast aluminum with a rack and pinions hydraulic systems, this without handed automatic door closing ensures Enduring performances and includes hardware for easy left or right hand installation. Specifications: Color:Two Choices Dimension:37x132x19mm/1.45×5.19×0.74in 40x162x19mm/1.57×6.3×0.74in Component:aluminum + iron Package Includes: 1Set automatic door closing note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.