Heavy Duty Double V Groove Carbon Steel Ball Bearing Nylon Pulley Wheel Zinc Alloy Inner Sliding Plastic Door Roller High-quality sliding door roller featuring durable nylon construction with zinc inner parts for smooth operation and long-lasting performance in residential and commercial applications. Key Specifications Attribute Value Material Nylon wheel + zinc inner part + plastic housing Load Capacity 100kg Bearing Type Ball bearing Thickness 1mm Warranty 1 Year Product
