Aluminium Door And Window Accessories Nylon Ball Bearing Pulley Wheel High-quality zinc alloy inner frame with nylon housing sliding window rollers designed for smooth, quiet operation. 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
