[ Material] This automatic door closer is made of premium Zinc Alloy material, which is and not easy to fade. It has fine workmanship and rust-proof. [Adjustable Tension] This product not only adjusts the tension, but also the closing speed, converting a hinged door into a self-closing door. Its direction is not fixed, can be used for both left-handed and right-handed doors. [Easy Installation] This automatic door closer comes with accessories for easy installation. It can be used on doors weighing up to 30 kg and you can adjust the tension., Weight: 0.74736706818 Pounds, Manufacturer: Jaywool