The automatic door closer is made of stainless steel and zinc alloy, one-piece molding process and multi-channel assembly process make the whole product strong and durable. Close- High quality zinc alloy automatic door, barrier-free design, adjustable tension, adjustable screw for slow or fast closing. Choose your return depending on how fast you approach. Size: about 6.5 x 4.9 x 1.2 inches, suitable for door weight 60 kg, door width 1000 mm, universal design, left and right swing doors, perfect for home, office, restaurant hotel room door. Using the screws and mounting brackets shown in the picture, this door closer will reduce resistance, damage the door and reduce noise if you are close to the door. Please measure the door before ordering, suitable for door weight 60kg, a door width of 1000 mm. The closing force of our door closers can only be adjusted to the individual needs of the Allen key you provide.