When you need slot tip, adjust the head can be used, 1 as 2, easy to use. 1 x Well Stainless Steel Wrench. 2 x Wrench Special Screws. 1 x Wrench. Safe to Use: No need to change the head, reduce the locking link, lock more firmly, do not worry about locking is not strong, positioning is not accurate and scratch the lens, safe.
