Feature:1. It is suitable for barn doors, indoor doors, kitchens, American sliding doors, sliding doors and so on.2. The structure is reasonable and the workmanship is exquisite, practical door accessory.3. Simple installation, you only need to take a few minutes to complete the installation.4. Made of high‑quality iron + nylon material, the quality can stand the test of time, durable in use.5. Make sure your door slides comfortably and opens easily and smoothly.Specification:Item Type: Door RollerMaterial: Iron + Nylon Color: As shown in the pictureProduct Size: Approx. 42x140mm / 1.65x5.51inWheel Diameter: Approx. 40mm / 1.57inWeight: Approx. 735g / 25.9ozApplication: Suitable for barn doors, indoor doors, kitchens, American sliding doors, sliding doors and so on. Package List:3 x Door RollerNote:1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.