Product Type: 2 pieces of RV slide out rollers, RV accessories. Suitable for Lippert slide out system J-36 service rollers Part Number: RV slide out rollers, replacement 276288 Premium Material: The RV slide out rollers are made of premium metal and plastic material, wear resistant, sturdy, and ensures a long time to use High Performance: Professional manufacturing RV slide out rollers, help you repair RV slide out system, smooth and stable, has a long service life Easy Installation: Directly replace the RV slide out rollers, easy to install Specification: Material: Metal Plastic Size Chart: 14.5 cm x 7.5 cm x 5cm/5.71 inch x 2.95 inch x 1.97 inch Package Includes: 2RV Slide Out Rollers Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.