The cheese base plate provides you with many 1/4" and 3/8" threaded mounting holes to attach different kinds of accessories on to your DSLR Rigs / 19mm Rail System / Pocket Rig / Stabilizer / 19mm rod support.
It is also used as tripod baseplate / stand / adapter, for articulating arm / on camera LCD monitor...
It is for 19mm rod support / Rail system.
Screw knob is updated to V3 screw knob, better hand feel and anodized black finish. Allow you adjust position to turn around the knob to lock the rod clamp when there is no room to turn around the thumb knob.
If you buy more than 5 pieces, please send me offer. Thanks.