Suitable for most barriers. Once the barrier is fixed, it helps prevent babies or pets from leaving the safety zone. The threaded rod adapts to various surfaces such as walls, stairs, and wood. High quality construction. This fixing tool is made of metal and ABS plastic, ensuring durability and reusability. The screw features an ion-plated white zinc finish for a clean, attractive appearance. Easy to install. The screw length can be adjusted as needed and easily attaches to the four corners of the fence. No tools such as a wrench are required. No drilling necessary. Turn the knob to engage the reaction force between the nut and the wall, securely fixing the barrier. One end of the screw includes a rubber tip to help protect walls or stairs from damage.Features: - High quality threaded rod resists breaking under pressure. Firmly secures the gate to help protect children and pets. - Designed for door railings, window railings, and stair railings. Compatible with most security doors, windows, and baby or pet gates. - Metal screw and ABS components are precisely matched for reliable performance. Simple, sleek design. Installation distance ranges from 2.5 cm to 7 cm. - Tool-free installation allows for quick and easy setup, saving time. - Resistant to rust, sturdy, and long lasting. Ideal for households with children or pets.Installation method: 1. Insert four threaded rods into the holes at the four corners of the barrier. 2. Position the gate, ensuring it is perpendicular to the wall. 3. Rotate the adjustment wheel along the screw to adjust the length and eliminate any gap between the wheel and the barrier corners.Specifications: Material: Metal + Plastic Surface treatment: Ion-plated white zinc Weight: 72g per piece Length: 8cm Condition: New Color: White Note: Before ordering, please verify that the holes in your baby gate are compatible with M10 (10mm) bolts.Package Contents: 4 x Threaded Rod