#1	All metal construction the main part is made of lightweight aircraftgrade aluminium material CNC processing hardanodized antioxidation treatment with the surface
#2	It builtin a bubble level ensure the photography precisely in horizontal orientation
#3	The laserengraved scale on both sides of the clamp for repeated positions
#4	The Ushaped grooves of the clamp and that protects your camera from accident drops
#5	It is compatible with any Arca style plate camera bars and multipurpose rails such as RRS ArcaSwiss KIRK Wimberley Markins Sunwayfoto Kangrinpoche Benro Sirui etc