Leofoto TDC-40/CF-9 Tripod Threaded Leg Collar w/ 3/8'' Screw Stud Black TDC-40+CF-9. Suitable for hours of night sky viewing the Leofoto Tripod Threaded Leg Collar w/ 3/8'' Screw Stud is the ideal accessory to make the most out of your tripod. These...