Stainless Steel Material: The material of this adjustable door closer is stainless steel, which is durable and rust-proof, and strong bearing capacity. Easy Installation: Surface mounting, easy to be installed with screws. The installation steps are simple and easy to operate, not very complicated and time-saving Wide application: adjustable tension, widely used in left and right swing doors. Fine Workmanship: Fine workmanship and excellent performance possess that this door closer can be used for a long time without breaking, saving money and easy to operate. < p>This door closer closes doors up to 50 kg