Stainless steel material: The material of this adjustable door closer is stainless steel, which is durable and rust-proof and has a strong load-bearing capacity. Easy installation: Surface mounting, easy to install with screws. The installation steps are simple and user-friendly, 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 ensure that this door closer can be used for a long time without breaking, saving money and easy to use. < p>This door closer closes doors up to 50 kg