1) which is a professional 7 "arm. This is a versatile HDSLR HDV film producer，
Use with JiaoQi friends， in particular， when taking pictures or video， it can be used to load
LED lights， flash， or liquid crystal display with your DSLR rabbit cage， HDSLR camera，
Track bar (clip)

2) the precision and durable design， magic arm lock control knob or release，
Can be installed freely in any position

3) simplifies the magic arm installation position and adjust any photography lighting

4) this magic arms and precise design， allows the installation options.

5) supply 1/4 "screw adapter for camera， lamp holder and other accessories.

Specifications:
1) length (top) : it's about.185 mm / 7"
2) height: about.60 mm / 2.4"
3) accessories: 1/4 "nut and screw
4) load: 2 kg
5) material: aluminum alloy (not plastic)