1、[Efficient Screw Arrangement] The automatic screw feeder helps neatly arrange scattered screws, ensuring the cross heads are uniformly positioned upward.  2、[Convenient Operation] Simply pour the screws onto the tray and gently shake it, the screw will automatically slide into the hole, allowing for user friendly operation.  3、[Adjustable Vibration Settings] The vibration frequency and force can be adjusted appropriately according to the screw size for precise screw arrangement.  4、[Sturdy Construction] Crafted from industrial grade hard plastic, this screw arranging machine is sturdy, hard wearing and lasting, guaranteeing long term reliability.  5、[Versatile Screw Compatibility] Comes with 6 screw trays to accommodate various screw sizes, making it suitable for a wide range of screw models and applications.