Dolica GX600B200 Proline GX Series 60-inch Aluminum Tripod Ball Head Combo for DSLR/SLR + Accessory Kit Upgraded scratch, dust, and moisture resistant anodized legs. Upgraded Non-slip rubber foot with retractable spike. Upgraded 4-sided tripod legs for increased rigidity. Reversible locking center column for low level shooting. Integrate tripod bubble level. upgraded 4-position leg angle adjustment locks up. Thread mount with spring loaded accessory hook.