Heavy Duty Single V Shape Nylon Pulley Wheel Zinc Alloy Inner Part Plastic Housing Sliding Door And Window Rollers Premium sliding door rollers featuring durable nylon construction with zinc alloy inner components for smooth operation and long-lasting performance. Ideal for heavy glass doors and windows. 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
