1. Universal 1/4 standard screw can be used with a variety of equipment, practical and functional
2. Stable and practical locking screw, clockwise rotation to lock the card holder, counterclockwise rotation to adjust the rotation angle of the card holder.
3. The head can be adjusted 180 degrees, smooth rotation
4. Material: ABS
5. Size: 4.5 x 4 x 2.9cm
6. Weight: 32g