Aluminium Door And Window Accessories Nylon Needle Bearing Wheel Zinc Alloy Inner Frame Nylon Housing Sliding Window Rollers Product Attributes Attribute Value Material Plastic Load capacity 50kg Wheel Color Any color Style Modern design Type Sliding Door And Window Rollers Function Quiet operation Key Features Load Capacity: 50 kg (suitable for heavy sliding glass doors/windows) Material: Housing: Transparent nylon (durable, corrosion-resistant, lightweight) Wheel: Steel
