General Description: The rolling gate wheel is made of high-quality PU and corrosion-resistant steel, providing robustness and durability. It has oil-resistant, corrosion-resistant, and rust-resistant properties, ensuring optimal performance over time. Technical Specifications: Total mounting height: 25.5 cm; Wheel diameter: 5 cm; Mounting plate dimensions: 7.5 × 4.5 cm (L×W); Maximum load capacity: 50 kg per wheel. Compatibility and Accessories: Compatible with wooden garden gates; Suitable for entrance gates and yard fences; Comes with 4 bolts for easy installation. Installation: The universal mounting plate is sturdy and has 4 holes for easy and secure adjustment. Follow the included instructions for quick installation. Operation: The spring-loaded design allows for 6 cm of vertical movement, automatically adjusting the height on uneven ground. This prevents the gate from sagging while ensuring it remains in contact with the ground during opening and closing. Other Information: This rolling gate wheel is ideal for improving the functionality and durability of your gates, ensuring easy and smooth operation.