Entrance curve, silver, with the door damper for the door to close silently, wherever peace is needed, or deliberate damage to the door or door hinges will be avoided by too strong tightening, the last will be folded to the opening angle of 10 °, so that it will quickly close silently, the service of the door and door hinges will increase life, material: steel, silver painted, constant closing speed Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.