Punch-free Automatic Sensor Door Closer Self Closing Off for Home Office Doors Punch-free Automatic Sensor Door Closer Self Closing Off for Home Office Doors Description: . Multifunctional automatic door closer, automatically close all doors. Very suitable for home use, light office use, shed, ranch and home office, affordable! Features: Quick install. The glue is installed without holes, is firm and does not damage the wall, easy to install, and high temperature resistance. The P12 steel wire rope has passed 50,000 tensile tests and rebound tests and has a strong tensile force.800G pull. Suitable for doors or doors with stronger closing force. Doors that can be opened left and right, wooden and metal doors, residential and commercial doors, exterior/internal door closers, fire doors. Characteristic:Anti-oxidation, anti-corrosion, no rust, stable, wear-resistant, weatherproof, hydraulic, quiet and safe cutting device. Size: 63 x 63 x 18MM Package Includes: 1×Automatic door closer 1×Adhesive paper 1×Spanner 1×Transparent hooks Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.