Punch-Automatic Drawstring Door Closer, Multifunctional automatic door closer, automatically close all doors. Very suitable for home use, lightice use, shed, ranch, and homeice, affordable!, MAIN FEATURES, Quick Install Hole-3M glue installation, firmness does not damage the wall, easy installation, high-temperature resistance. 50,000 Tests The high-quality P12 steel wire rope has passed 50,000 times of tensile test and rebound test, with strong tensile force. 800G Pull Suitable for doors, or doors with a slightly stronger closing force. Doors that open left and right, wooden and metal doors, residential and commercial doors, exterior/inner door closers, fire doors Characteristic Anti-oxidation, anti-corrosion, no rust, stable, wear-resistant, weather-proof, hydraulic, quiet, safe shut-device., SPECIFICATIONS, Material: ABS + Stainless Steel Size: 44x44x16mm Weight: 18g Maximum Load-bearing Tension: 30kg Drawstring Length: 1m Sets: 1 Set, 2 Sets, 3 Sets, PACKAGE INCLUDES, 1 x Door Closer 1 x Hook 2 x 3M Adhesive Stickers