Features: The door pulley is crafted from engineering plastic and metal materials, which improves the compressive strength by 30% and effectively prolongs the service life. The sliding door roller is optimized to slide smoothly, reduce friction and noise, and make the door open and close more smoothly. This feature is especially suitable for family car owners who frequently use sliding doors, which solves the problems of jamming and abnormal noise that may occur in traditional pulleys and improves the comfort of the overall driving experience. Its plugs and play design enables 15 minutes installation without special tool, featuring optimized rollers for smooth operation and noise reduction. Ensures effortlessly sliding during frequent cargo loading or family access in pickup trucks, eliminating friction related door jams. This heavy duty roller assembly prevents door misalignment while enhancing structural integrity. Specifications: Product name: 68271843AA Door pulley sliding door roller hinge Component:Metal Part Number:68271843AA For 1500 Package Includes: 1pcs Truck Door Roller note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.