2 Pack Door Closer: There are 2 sets of door closers. Adjustable Tension - You can easily adjust the tension of this safety spring door closer and also adjust the closing speed of the door closer. Use these closers to convert hinged doors to self-closing doors. It can be used for both left-and right-handed doors. Material - The safety spring Closer is made of zinc alloy, indicating fine treatment, anti-corrosion and anti-rust, durable, no color loss in long term use. It can be used for doors weighing up to 150 lbs. Safe and Convenient Door Closer - The door closers closes and locks automatically and remains quiet and secure when opening or closing. Providing you with easy and safe living, protecting your doors and locks Easy to Install - The white automatic door closer is very easy to install, we are equipped with the installation parts to make your installer easier. Please Pay Attention to the installation direction: - towards the door direction Colour:White Material:zinc alloy Package Contents: 2 * automatic 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.