*KeyFeatures *Reinforced, Durable Bracket: Made with heavy-duty steel and a thickened design, this bracket is treated for waterproofing and rust resistance, ensuring it won't easily break. It's highly durable and ideal for harsh environments and frequent use, reducing the need for ongoing maintenance. *Smooth, Silent Nylon Wheels: The hard nylon wheels offer excellent wear resistance, quiet operation, and shock absorption. They maintain smooth sliding over time, making them perfect for both residential and commercial use, improving the overall user experience. *Multi-Frame Compatibility: This sliding gate hardware system is designed to fit a wide range of sliding doors, including those for courtyards, driveways, farms, and warehouses. It works with various door frame sizes, requiring no customizations. Installation is quick and easy, offering greater flexibility and convenience. *Dust and Water Resistance: The protective wheel covers and sealed bearing design prevent dust and wet from entering the wheel axles, extending the system's lifespan. This makes it especially suitable for outdoor sliding door applications. *Complete Accessories, Easy Installation: The gate rollers kit comes with all necessary installation components, allowing even beginners to install it quickly without the need for extra purchases. Save time and effort while enhancing the performance of your gate. ******************************************************************************************************* *Specifications Item Model Number: NGW4238 Product Dimensions: 202210320 mm / 7.958.2712.60 inch Net Weight: 22.16 kg / 48.86 lbs Materials: Wheel - Nylon; Bracket - Q235B Steel Wheel Outer Diameter: 180 mm / 7.09 inch Applicable Track Pipe Outer Diameter: 60.1 - 63 mm / 2.37 - 2.48 inch Compatible Post Outer Diameter: 101.6 mm / 4.00 inch Number of Steel Track Rollers: 4 ******************************************************************************************************* *Pakcage Content Rear Track Rollers (including wheel covers) x4 Mounting Brackets x8 sets