Low Friction Wardrobe Aluminum Sliding Door Track Wheels Rollers Pulley 100kg Key Specifications Attribute Value Material Nylon wheel + aluminum bracket Wheel diameter 27mm Load capacity 50kg Color Customizable Type Sliding Door and Window Accessories Key Features & Specifications Material: Wheel: Typically made from Nylon (PA) or sometimes POM (Acetal). This material is chosen for its durability, low friction coefficient, and quiet operation. It won't rust and is gentle on