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Neewer DSLR Rig Set Movie Kit Film Making System include Shoulder Mount Follow Focus and Matte

Gear Nylon and ABS Dial Index Adjustment 360degree
Gear drive can be mounted from either side works for both right-handed and left-handed
14 female adapter at bottom Lens Max support up to 77mm
Compatible with all DSLR cameras DV
Compatible with industry standard 15 mm Rods