The rail:
The rail head (optional): applies the design of detachable quick release plate and two-way damping adjustment and arbitrary angle adjustment; one locking operation can immediately fix the camera.
Metal rack:
distinguished from ordinary pulley, it is powerful and wearable.
Horizontal bead:
to test whether the rail is in a horizontal state.
Precise and portable rail:
no vibration, low noise, and made of high-strength aluminum alloy.
Bracket knob:
fast and easily removes or installs the bracket.