South America Hot Sales Double V Groove Nylon Pulley Wheel Zinc Inner Part Plastic Bracket Sliding Door Roller 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 Features Durable Construction: Transparent nylon housing with steel U-groove wheels for corrosion resistance Smooth Operation: Ball bearing mechanism ensures quiet sliding movement High Load
