【Excellent Material】 The automatic spring closer is made of stainless steel and zinc alloy. It adopts one-piece molding process and multi-channel assembly process to make the whole product durable, rust-free and long service life. 【Package Contents】 After purchase, you will get a door closer, 4 screws, an Allen key, and a gasket for the protective door. The stainless steel spring door closer is easy to install, no need to purchase other parts. 【Adjustable Design】 The adjustment force becomes larger: it can be adjusted clockwise one by one, the default intensity of the product is the second gear, and it can only be increased by 2 gears; the adjustment strength becomes smaller: just insert the L-shaped wrench at the long end, Press down hard and the force will return to minimum force. 【Noise Reduction】 The door closer can reduce the noise interference generated when closing the door, close the door slowly to reduce the damage to the door caused by violent impact, and can prevent you from forgetting to close the door. 【Widely Used】 Our door closers for interior door are suitable for metal doors, fire doors, wooden doors, civil doors and commercial doors, almost all doors less than 30kg. adjustable self closing door is an ideal choice for home, office, hotel room doors., Weight: 0.7495716908 Pounds, Manufacturer: Vanillin