1. Door buffer. Make the door closed softly and reduce the annoying noises.

2. Can use to wooden doors connected by the spring hinges, aluminum doors. Each two or three hinges just need one. The connection of rotary screw hole can install in the buffer, also can install in the hinges which hold distance is 45--52mm.

3. The screw in the end of buffer can change the speed of closing the door.

4. The strength scope is 20kgs. Service time is 100, 000 times.

5. Material: Zinc Alloy