The 4 in Quick Release Clamp:
- Fits all Arca-style plates and mounts
- Built-in spirit level provides improved alignment
- Captive knob design.
- No exposed internal mechanisms.
- Lightweight aluminum and stainless steel construction for rugged dependability
- Sensor center lines improve photography by allowing centering of sensor for better accuracy
- Measures 4 inches long
- DuoThread size: 1/4 and 3/8 inch