Universal Punch-Free Automatic Sensor Door Closer | Heavy-Duty Retractable Steel Cable Door Closer for Home, Office, and Internal Sliding or Swing Doors

The Punch-Free Automatic Sensor Door Closer is the ultimate solution for hands-free door management. Whether you have pets that leave doors open, want to maintain air conditioning efficiency, or simply prefer the privacy of a closed door, this compact device does the work for you.Built with a high-quality P12 steel wire rope, the internal mechanism has passed thousands of tensile and rebound tests, ensuring long-term durability and consistent performance. The sleek, square design is unobtrusive and fits any modern aesthetic. Because it uses a specialized 3M-style adhesive, it can be mounted on smooth surfaces like wood, metal, or glass without damaging your walls or door frames.Key Performance Features:Weather Resistance: Oxidation-proof, anti-corrosion, and wear-resistant materials.Dual Compatibility: Works effectively on swing doors (standard) and sliding doors.Adjustable Tension: Provides a steady, firm pull that is strong enough to close the door but gentle enough to avoid slamming.Zero Damage: Ideal for renters or those who don’t want to drill permanent holes into expensive door frames.Strip Size : 0.75