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Movo Photo GTD-80 31 Professional Grade Camera Track Slider With Ball Bearing Sliding Platform

Ball bearing sliding mechanism for smooth and silent sliding
Includes standard 38 mount for PanBall Heads Optional 14 to 38 adapter is available for direct camera mounting
Tension adjustment
4 Fully-adjustable feet for sliding almost any surface or use on one or two tripods
Weight capacity 20 LBS