Ulisem 4pcs 4x20x6.5x7.4mm White Inner Dia 4MM U-Groove Nylon Pulley Wheel for Sliding Door

General Description: Ulisem nylon pulley wheels are designed for sliding doors, offering a durable and efficient solution for replacing your old pulleys. Made of plastic and steel, they ensure smooth gliding and wear resistance. Each product comes with a unique manufacturing part number label, guaranteeing its quality and traceability. Technical Specifications: Material: Plastic + Steel; Color: White; Inner Diameter: 0.4 cm / 0.16 inch; Outer Diameter: 0.2 cm / 0.08 inch; Width: 6.5-7.4 mm; Door Weight: 27 kg; Weight: 23 g; Compatibility and Accessories: Suitable for bathroom doors; Compatible with glass closet doors and sliding doors; Other Information: The inline bearing cannot be removed. Package includes: 4 x nylon pulley wheels