Manfrotto Variable Friction Arm Macro The quick release system is

The quick release system is used to accommodate the 200PL plate so there is no need to use different plates when switching from photo to video

This is provided with a brake on only one carriage

Retains Climate Controls that are lost when removing the factory radio

The Sky Track Rail System provides precise positioning of lights with ease and speed eliminating the clutter of light stands and power cables on the floor

Manfrotto Variable Friction Arm Macro The quick release system isArticulated arm Features as 143N but a large locking knob takes the place of cam lever Variable friction and locking of arm obtained by adjusting knob.