What's in box ? 1 X Nodal Slide Base Focusing Rail with Clamp 1/4" Plate
rail riser quick release High-precision CNC machining centers precision machining,for tripods and monopods when combined with Arca style ball head and quick release clamps.
focusing rail clamp International standard dove-tail rail, compatible with Arca-Swiss type quick release clamps(Arca Swiss Kirk Markins RRS Sunwayfoto Benro etc .)
rail clamp mount Length :180mm(7"),Width :39mm(1.53"),Thickness : 16mm(0.63"
Total weight : 270g(0.6 lb) Model: BPL-180DB Material: Aluminium Alloy