★Easy and soft scrolling keeps focus on your task instead of being distracted and annoyed by the squeaking and stickiness of cheap plastic or metal furniture casters.★Carefully selected excellent carbon steel, precision ball bearings and durable TPE soft rubber casters are durable and durable.★Easy to install, just pull out the old casters and insert the new ones.Name: Stem CasterMaterial: TPE soft rubber + carbon steelRod size: M8x38mmWheel diameter: 38mm/1.5inch, 50mm / 2inchWheel width: 17mmInstallation height: 56mm, 66mmBearing capacity: 66kg, 81kg (4 pcs)Quantity: 4★Note:1. Due to factors such as light effects, screen brightness and contrast settings, the color tone of the image website may be slightly different from the actual color tone.2. Due to manual measurement, the error of 1-2mm is normal, please refer to the actual product.3. Welcome to our store! Enjoy a quality and healthy life! We dare to provide the best quality products and innovative services!