Automatic Door Closer Stainless Steel Adjustable Spring for Wooden Gates 20‑40KG Smooth Silent Operation

A compact, durable automatic door closer designed to give smooth, adjustable closing for interior doors. Built from stainless steel and zinc alloy with integrated molding and multichannel assembly, this closer delivers consistent performance and long service life. Key benefits Smooth, controlled door closing reduces slamming and wear on the door and lock. Adjustable tension lets you fine tune closing speed to match door weight and usage. Robust materials and construction provide reliable operation over time. What makes it stand out Solid construction: stainless steel and zinc alloy body formed by integrated molding for strength and stability. Precise assembly: multichannel assembly process ensures consistent operation and reduced failures. Adjustable spring mechanism: use the included hexagonal wrench to tighten or loosen the spring for a tailored closing action. Main features Function: automatic door closer with adjustable spring tension for smooth, controlled closing. Material: stainless steel and zinc alloy for durability and corrosion resistance. Size: approximately 6.3 x 3.78 x 0.78 inches, compact profile for discrete installation. Maximum opening: 175degree maximum door opening angle. Compatibility: suitable for doors weighing 20 to 40 kg and with a width up to 1000 mm. Please measure your door before ordering. Adjustment tool: hexagonal wrench included for easy spring tension adjustments. Package contents 1 automatic gate closer 4 screws for mounting 1 hexagonal wrench for adjustments 1 protective door gasket Typical use scenarios Home interior doors: install on bedroom or study doors to prevent slamming and protect hinges and locks. Office doors: use on meeting rooms or private offices to ensure quiet, consistent closing. Hotel rooms or guest accommodations: maintain a uniform closing action and preserve door hardware through frequent use. Installation and operation tips Measure door weight and width prior to installation to confirm compatibility. Mount the closer using the supplied screws and protective gasket to protect the door surface. Adjust spring tension with the included hexagonal wrench until closing speed and latching action meet your needs. Test the door at different opening angles up to 175 degrees to confirm smooth operation. This automatic door closer offers a straightforward, durable solution for controlled door closing in residential and commercial settings.