Argentina Modern Design Single V Shape Nylon Pulley Wheel Premium Sliding Door Rollers with Zinc Alloy Inner Part and Plastic Housing High-quality sliding door roller featuring durable nylon construction with zinc inner components for smooth operation and long-lasting performance. Key Specifications Attribute Value Material Nylon wheel + zinc inner part + plastic housing Load Capacity 50kg Bearing Type Ball bearing Thickness 1mm Warranty 1 Year Product Features Durable