A. The threaded rods are made of steel core screws and ABS plastic, which are durable and reusable. The sturdy materials are less likely to break under pressure, helping to ensure a tight and secure installation of the handrail door, thus contributing to the safety of children or pets. B. This pressure screw can make the baby gate more stable and reduce the chance of malfunctions. It can help protect walls or stair railings. The rubber ends can prevent the stairs from being scratched. (It is not recommended to use at the top of the stairs.) C. The threaded rods come with adjustable - length bolts. No tools are required, and there's no need to drill holes in the wall. These threaded rods perform as well as the original bolts. Simply rotate the nut to create a counterforce against the wall, and the installation can be completed relatively quickly and easily. D. Suitable for various pressure gates, baby gates, pet gates, extra - wide and extra - tall passage doors, and child safety gates. Applicable to most pressure - mounted baby gates or pet gates. A set of 4 threaded rods can be used as replacement parts to make an old gate reusable, saving the cost of buying a new gate. E. The package includes 4 threaded rods. Dimensions: Diameter M10 (10 mm), length 80 mm, top diameter 35 mm (1.38 inches). Only suitable for M10 screw holes, not for 8 mm screws. F. The color is white. G. 1. This gate adapter can be installed relatively quickly and easily without tools. 2. It is advisable to make sure that the holes of your baby gate can fit M10 (10 mm) bolts before purchasing. 3. It can help protect your walls, doors, stairs, and railings from damage caused by pressure gates or pet gates. 4. The rubber ends can prevent the stairs from being scratched, allowing the baby safety gate to be installed on stairs with railings or round poles. H. - Product Name: Threaded Rod - Color: White - Material: Steel core screw + ABS plastic - Dimensions: M10 * 8 cm - Package Contents: 4 threaded rods I. 1. Adjust the adjustment wheel along the thread to an appropriate position to reduce the gap between the adjustment wheel and the rubber footpad. 2. Insert all 4 threaded rods into the holes at the four corners of your baby gate. 3. Place the gate, ensure it's level and centered in the doorway or opening, and then rotate the adjustment wheels on the threaded rods to an appropriate position. J. It is advisable to make sure that the holes of your baby gate can fit M10 (10 mm) bolts before purchasing.