UPVC Steel Sliding Door Wheels Accessories Hardware Door Rollers Galvanized PVC Plastic Steel Window Pulley for Doors and Windows designed for smooth, quiet operation with excellent durability. Product Attributes Attribute Value Material Steel Load capacity 100kg Wheel Color Any color Style Modern design Type Sliding Door And Window Rollers Function Quiet operation Product Advantages Corrosion Resistance: Coated or treated to resist rust, ideal for outdoor use Top-Rolling