Door & Hook Hangers: Automatic closing mechanism for doors and windows. Closes automatically after you enter. Works with traditional and sliding doors. Suitable for glass, wood, metal, PVC, and other materials. Ideal for home use as well as professional spaces, offices, warehouses, companies, schools, locker rooms, and more. Easy and quick to install, leaves no marks, and does not affect wall strength. The mechanism comes pre-installed with double-sided adhesive tape. Silent closing. Copper cord P12. Durable. The copper cord has undergone more than 50,000 stretch and return tests. Rust-resistant, anti-corrosion protection, rust-free, sturdy, increased durability. The mechanism can also be used for sliding windows with screens, refrigerator doors, shower cabins, and more. Copper cord length - 1.2 meters. Used for: External and internal doors. Product type: Closing mechanism. Material: Plastic. Functions: Door closing. Color: White. Appearance: Matte white.