Buy from Amazon : http://www.amazon.com/gp/product/B00OUMTXBQ?tag=scratchandsti-20

Neewer? Aluminum Alloy DSLR Rail 15mm Rod Support Baseplate with 1/4 Screw Quick Release Plate

The base plate is a aluminum alloy multi-functional standard rail system that can be used for mounting HD DSLRs and various accessories like Follow focus Matte box etc
This Rail System has a central Tripod Mounting plate that makes a perfect balance between the camera and the front mount accessories 35mm AdapterMatte boxFollow Focus
Plate With the 14 screw compatible with most DSLRDVR
Built-in Lens Support usefully support any lens and protect your lens with the smooth contact
Note Rod Screw Thread M12175MM Please be sure it is compatible with your device before buying