Half pier compatible with Gitzo Systemetic 3 Series, 4 Series and Xiletu L404C tripods.
Mounts and half pier are tightened with two M8 knob bolts, making them more secure than one 3/8 inch bolt.
The half pier adapter rotates 360 degrees for easy polar alignment.
Material : Aluminum (AL6061)
Weight : 1.3kg