[Premium Quality]Automatic door closer is made of aluminum alloy , Spring operation, totally automatic closing antioxidative, anticorrosive, weatherproof, steady, abrasion resistant, quiet and safe closer [Keep Your Home Quiet and Safe]Automatic closing and latching, maintaining quiet and security. Use these door closers to convert hinged doors to self-closing ones and you don't have to worry about your kids escaping from home or your pet or cats running into your room [Double Springs]This door closer is equipped with double springs, offering stronger strength to accommodate doors of different thicknesses [Easy Installation]With a door closer and slide plate being surface mounted, installation is a breeze.This spring door closer can be used on doors up to 30 kg, and easily adjust the tension on this safety spring door closer [Proper Size] suitable for door weight for 20-30 kg, universal design, right or left wing door, Perfect for home, office, hotel room doors Please note the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:blackandwhite Material:Aluminum alloy Package Contents: 2 x Door Closer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.