Standard 15mm rod clamp, fits all 15mm rods,15mm rod rail system.
There are thumb screw and wingnut on both of the holes, you can tighten this on both rails.
There are 1/4 and 3/8 thread holes placements which are versatile. With cold hot shoe mount, you mount a monitor, flash light or microphone on cinema rig when it's on a tripod/slider.
This shoe mount adapter has extra two M2.5 unthread holes to keep it in place without moving. With a little screw on the shoe mount to help position your hot shoe accessories without sliding forward.
Made of black anodized aluminum, light but durability for long life operation.