Socket: Connect the rail and the cabinet with screws in the middle Suitable for cabinets, etc., smooth and silent operation, no slot ground wire clamped in the middle of the door or at the bottom of the door Space saving: make your room look more spacious Keeper: Installed on both ends of the track to prevent the pulley from moving out of the track Easy to match: It suits your home style, whether it's American Nordic Japanese or Rustic Modern Minimalist, Weight: 0.89728140634 pounds, Manufacturer: Deechate