Manfrotto 819-1 Hydrostatic Arm 7-Inch with 1/4-20-Inch and 3/8-Inch Threaded Pivoting Pins

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Manfrotto 819-1 Hydrostatic Arm 7-Inch with 1/4-20-Inch and 3/8-Inch Threaded Pivoting Pins

Product Description :
Unique hydraulic locking mechanism for secure and effortless locking