All Metal (aluminum) Construction No Rubber or Plastic Parts. will accommodate any Arca style plate from various makers including: Really right stuff (RRS), Wimberley, Arca Swiss, Kirk Enterprises, Markins, etc. 47mm Diameter. Weight 43g. 3/8"-16 thread with metal 1/4"-20 Adapter. Includes Bubble Level
Mounting hole:1/4" / 3/8"
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