brand Arca compatible head. Independent pan lock knob. 50mm clamp with bubble level. Dac-x1 clamp accommodates Arca-Swiss style plates. Dual drop notch.
Clamp length: 50mm.
Ball diameter: 44mm.
Base diameter: 58mm
height: 101mm.
Weight: 460G (16oz).
max load: 30kg (66 lbs).
Bottom thread: 3/8" With 1/4" Adapter.