Manfrotto USED Round Column Retainer

SKU:003929
Part #: R028,93
Part condition: USED
Substitute part: New R028,93

This part also fits: 058 ver 4, 058B ver 4

This part fits the round center column with the attached, extrenal gear teeth. Often the inside of the column is threaded for the oldest screw in plug with an inside diameter of about 25mm.