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, offering durability and reusability. The screw features an ion-plated white zinc finish for a simple and clean appearance. Easy to install. The screw length can be adjusted as needed and easily attaches to the four corners of the fence. No wrench or other tools required. No drilling necessary. Simply turn the knob to create pressure between the nut and wall, securely holding the barrier in place. 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 securing gates for child and pet safety - Designed for use with door railings, window railings, and stair railings; compatible with most security doors and windows - Ideal for installing baby gates and pet gates - Metal screw and ABS components are well matched for strength and aesthetic appeal - Installation distance ranges from 2.5 cm to 7 cm - Tool-free installation allows for quick and easy setup - Resists rust and built to last, making it a practical choice for households with children or pets Installation Method: 1. Insert the 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 extend 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 confirm that the holes in your baby gate are compatible with M10 (10mm) bolts. Package Contents: 4 x Threaded Rod