Upgraded New DesignCompared with traditional type, we upgraded it to be pulley roller design, so it can be used in both even and uneven door frame! Work better and smoothly!

FeaturesAdjustable Speed: You can adjust the closing speed as you need. Turn right to tighten, turn left to loose.Solid Thicken Material: Heavy duty with strong bearing load.Automatic Closing and Durable: 150,000 times service life. Can fold up to hide when no use.

SPECIFICATIONSMaterial: Stainless steelColor: As shown in the figureFeatures: Adjustable Speed, Help close door slowlySuitable for door weight: within 20KGPackage includes: 1PC