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.