Product name: Heavy duty 360 diploma rotation Advantage: Easy to install buffer positioning Strong load-bearing capability 360 degree rotation positioning Feature: Intermediate shaft door closer The door panels are connected up and down to broaden the load-bearing means and rotate and open similar to a mechanical door, giving your house trip a brand new look. Celestial axis Passed 1 million switching tests, compatible for max door weight of 80-300kg Earth's axis It can rotate 360° and might park the door at angles of 0°90°180°270° Note: Dear friend, when you are unsure whether or not your door is appropriate for our products, please be at liberty to contact us and we will recommend appropriate equipment to you consistent with your door type.